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Publications
  • Vitenskapelige publikasjoner
    • Urdal, Jarle; Engan, Kjersti; Eftestøl, Trygve Christian; Haaland, Solveig H.; Kamala, Benjamin; Mdoe, Paschal Francis; Kidanto, Hussein; Ersdal, Hege

      (2021)

      Fetal heart rate development during labour.

      Biomedical engineering online

      ISSN 1475-925X.

      Volum 20.

      Hefte 1.

      s.1-20.

      DOI: 10.1186/s12938-021-00861-z

    • Skogvoll, Eirik; Nordseth, Trond; Sutton, Robert M.; Eftestøl, Trygve Christian; Irusta, Unai; Aramendi, Elisabete; Niles, Dana E.; Nadkarni, Vinay M.; Berg, Robert A.; Abella, Benjamin S.; Kvaløy, Jan Terje

      (2020)

      Factors Affecting the Course of Resuscitation From Cardiac Arrest With Pulseless Electrical Activity in Children and Adolescents .

      Resuscitation

      ISSN 0300-9572.

      Volum 152.

      s.116-122.

      DOI: 10.1016/j.resuscitation.2020.05.013

    • Eftestøl, Trygve Christian; Stokka, Svein Erik; Kvaløy, Jan Terje; Rad, Ali Bahrami; Irusta, Unai; Aramendi, Elisabete; Alonso, Erik; Nordseth, Trond; Skogvoll, Eirik; Wik, Lars; Kramer-Johansen, Jo

      (2020)

      A probabilistic function to model the relationship between quality of chest compressions and the physiological response for patients in cardiac arrest.

      Computing in cardiology

      ISSN 2325-8861.

      Volum 47.

      DOI: 10.22489/CinC.2020.073

    • Lasa, Haizea; Irusta, Unai; Eftestøl, Trygve Christian; Aramendi, Elisabete; Rad, Ali Bahrami; Kramer-Johansen, Jo; Wik, Lars

      (2020)

      Multimodal biosignal analysis algorithm for the classification of cardiac rhythms during resuscitation.

      Computing in cardiology

      ISSN 2325-8861.

      Volum 47.

      DOI: 10.22489/CinC.2020.347

    • Meinich-Bache, Øyvind; Austnes, Simon Lennart; Engan, Kjersti; Austvoll, Ivar; Eftestøl, Trygve Christian; Myklebust, Helge; Kusulla, Simeon; Kidanto, Hussein; Ersdal, Hege Langli

      (2020)

      Activity Recognition from Newborn Resuscitation Videos.

      IEEE journal of biomedical and health informatics

      ISSN 2168-2194.

      Volum 24.

      Hefte 11.

      s.3258-3267.

      DOI: 10.1109/JBHI.2020.2978252

    • Wetteland, Rune; Engan, Kjersti; Eftestøl, Trygve Christian; Kvikstad, Vebjørn; Janssen, Emiel

      (2020)

      A Multiscale Approach for Whole-Slide Image Segmentation of five Tissue Classes in Urothelial Carcinoma Slides.

      Technology in Cancer Research and Treatment

      ISSN 1533-0346.

      Volum 19.

      s.1-15.

      DOI: 10.1177/1533033820946787

    • Bjørkavoll-Bergseth, Magnus; Kleiven, Øyunn; Auestad, Bjørn Henrik; Eftestøl, Trygve Christian; Oskal, Kay Raymond; Nygård, Martin; Skadberg, Øyvind; Aakre, Kristin Moberg; Melberg, Tor Harald; Gjesdal, Knut; Ørn, Stein

      (2020)

      Duration of elevated heart rate Is an important predictor of exercise-induced troponin elevation.

      Journal of the American Heart Association (JAHA)

      ISSN 2047-9980.

      Volum 9:e14408.

      Hefte 4.

      s.1-19.

      DOI: 10.1161/JAHA.119.014408

    • Urdal, Jarle; Engan, Kjersti; Eftestøl, Trygve Christian; Naranjo, Valery; Haug, Ingun; Yeconia, Anita; Kidanto, Hussein; Ersdal, Hege Langli

      (2020)

      Automatic identification of stimulation activities during newborn resuscitation using ECG and accelerometer signals.

      Computer Methods and Programs in Biomedicine

      ISSN 0169-2607.

      Volum 193.

      s.1-9.

      DOI: 10.1016/j.cmpb.2020.105445

    • Isasi, Iraia; Irusta, Unai; Aramendi, Elisabete; Eftestøl, Trygve Christian; Kramer-Johansen, Jo; Wik, Lars

      (2020)

      Rhythm Analysis during Cardiopulmonary Resuscitation Using Convolutional Neural Networks.

      Entropy

      ISSN 1099-4300.

      Volum 22.

      Hefte 6.

      DOI: 10.3390/e22060595

    • Picon, Artzai; Irusta, Unai; Alvarez-Gila, Aitor; Aramendi, Elisabete; Alonso-Atienza, Felipe; Figuera, Carlos; Ayala, Unai; Garrote, Estibaliz; Wik, Lars; Kramer-Johansen, Jo; Eftestøl, Trygve Christian

      (2019)

      Mixed convolutional and long short-term memory network for the detection of lethal ventricular arrhythmia.

      PLOS ONE

      ISSN 1932-6203.

      Volum 14.

      Hefte 5.

      s.1-22.

      DOI: 10.1371/journal.pone.0216756

    • Schulz, Jörn; Kvaløy, Jan Terje; Engan, Kjersti; Eftestøl, Trygve Christian; Jatosh, Samwel; Hussein, Kidanto; Ersdal, Hege Langli

      (2019)

      State transition modeling of complex monitored health data.

      Journal of Applied Statistics

      ISSN 0266-4763.

      DOI: 10.1080/02664763.2019.1698523

    • Nordseth, Trond; Niles, Dana E.; Eftestøl, Trygve Christian; Sutton, Robert M.; Irusta, Unai; Abella, Benjamin S.; Berg, Robert A.; Nadkarni, Vinay M.; Skogvoll, Eirik

      (2019)

      Rhythm characteristics and patterns of change during cardiopulmonary resuscitation for in-hospital paediatric cardiac arrest.

      Resuscitation

      ISSN 0300-9572.

      Volum 135.

      s.45-50.

      DOI: 10.1016/j.resuscitation.2019.01.006

    • Isasi, Iraia; Irusta, Unai; Rad, Ali Bahrami; Aramendi, Elisabete; Zabihi, Morteza; Eftestøl, Trygve Christian; Kramer-Johansen, Jo; Wik, Lars

      (2019)

      Automatic Cardiac Rhythm Classification With Concurrent Manual Chest Compressions .

      IEEE Access

      ISSN 2169-3536.

      Volum 7.

      s.115147-1151159.

      DOI: 10.1109/ACCESS.2019.2935096

    • Wetteland, Rune; Engan, Kjersti; Eftestøl, Trygve Christian; Kvikstad, Vebjørn; Janssen, Emiel

      (2019)

      Multiclass tissue classification of whole-slide histological images using convolutional neural networks. I: Proceedings of the 8th International Conference on Pattern Recognition Applications and Methods.

      SciTePress

      ISBN 978-989-758-351-3.

      s.320-327.

      DOI: 10.5220/0007253603200327

    • Meinich-Bache, Øyvind; Engan, Kjersti; Austvoll, Ivar; Eftestøl, Trygve Christian; Myklebust, Helge; Yarrot, Ladislaus Blacy; Kidanto, Hussein; Ersdal, Hege Langli

      (2019)

      Object Detection During Newborn Resuscitation Activities.

      IEEE journal of biomedical and health informatics

      ISSN 2168-2194.

      DOI: 10.1109/JBHI.2019.2924808

    • Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Kleiven, Øyunn; Ørn, Stein

      (2019)

      Baseline Wander Removal and Isoelectric Correction in Electrocardiograms Using Clustering.

      Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing

      ISSN 1520-6149.

      Volum 2019-May.

      s.1274-1278.

      DOI: 10.1109/ICASSP.2019.8683084

    • Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Kleiven, Øyunn; Ørn, Stein

      (2019)

      Validation of Baseline Wander Removal and Isoelectric Correction in Electrocardiograms Using Clustering.

      European Signal Processing Conference

      ISSN 2076-1465.

      DOI: 10.23919/EUSIPCO.2019.8903153

    • Isasi, Iraia; Irusta, Unai; Aramendi, Elisabete; Ayala, Unai; Alonso, Erik; Kramer-Johansen, Jo; Eftestøl, Trygve Christian

      (2019)

      A Multistage Algorithm for ECG Rhythm Analysis During Piston-Driven Mechanical Chest Compressions.

      IEEE Transactions on Biomedical Engineering

      ISSN 0018-9294.

      Volum 66.

      Hefte 1.

      s.263-272.

      DOI: 10.1109/TBME.2018.2827304

    • Urdal, Jarle; Engan, Kjersti; Eftestøl, Trygve Christian; Yarrot, Ladislaus Blacy; Hussein, Kidanto; Ersdal, Hege Langli

      (2019)

      Noise and Contraction Detection using Fetal Heart Rate and Accelerometer Signals During Labour .

      Linköping Electronic Conference Proceedings

      ISSN 1650-3686.

      s.121-126.

    • Isasi, Iraia; Irusta, Unai; Elola, Andoni; Aramendi, Elisabete; Eftestøl, Trygve Christian; Kramer-Johansen, Jo; Wik, Lars

      (2019)

      A Robust Machine Learning Architecture for a Reliable ECG Rhythm Analysis during CPR .

      IEEE Engineering in Medicine and Biology Society. Conference Proceedings

      ISSN 1557-170X.

      s.1903-1907.

      DOI: 10.1109/EMBC.2019.8856784

    • Isasi, Iraia; Irusta, Unai; Elola, Andoni; Aramendi, Elisabete; Ayala, Unai; Alonso, Erik; Kramer-Johansen, Jo; Eftestøl, Trygve Christian

      (2019)

      A Machine Learning Shock Decision Algorithm for use during Piston-driven Chest Compressions .

      IEEE Transactions on Biomedical Engineering

      ISSN 0018-9294.

      Volum 66.

      Hefte 6.

      s.1752-1760.

      DOI: 10.1109/TBME.2018.2878910

    • Khanmohammadi, Mahdieh; Engan, Kjersti; Sæland, Charlotte; Eftestøl, Trygve Christian; Larsen, Alf Inge

      (2019)

      Automatic estimation of coronary blood flow velocity step 1 for developing a tool to diagnose patients with micro-vascular angina pectoris.

      Frontiers in Cardiovascular Medicine

      ISSN 2297-055X.

      Volum 6:1.

      s.1-11.

      DOI: 10.3389/fcvm.2019.00001

    • Rad, Ali Bahrami; Eftestøl, Trygve Christian; Irusta, Unai; Kvaløy, Jan Terje; Wik, Lars; Kramer-Johansen, Jo; Katsaggelos, Aggelos K.; Engan, Kjersti

      (2018)

      An automatic system for the comprehensive retrospective analysis of cardiac rhythms in resuscitation episodes.

      Resuscitation

      ISSN 0300-9572.

      Volum 122.

      s.6-12.

      DOI: 10.1016/j.resuscitation.2017.11.035

    • Isasi, Iraia; Irusta, Unai; Aramendi, Elisabete; Ayala, Unai; Alonso, Erik; Kramer-Johansen, Jo; Eftestøl, Trygve Christian

      (2018)

      An Accurate Shock Advise Algorithm for Use During Piston-Driven Chest Compressions.

      Computing in cardiology

      ISSN 2325-8861.

      Volum 45.

      DOI: 10.22489/CinC.2018.20

    • Meinich-Bache, Øyvind; Engan, Kjersti; Eftestøl, Trygve Christian; Austvoll, Ivar

      (2018)

      Kinect Modelling of Chest Compressions - A Feasibility Study for Chest Compression Depth Measurement Using Digital Strategies.

      Proceedings of IEEE international conference on image processing

      ISSN 1522-4880.

      s.913-917.

      DOI: 10.1109/ICIP.2018.8451387

    • Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Kleiven, Øyunn; Ørn, Stein

      (2018)

      Invariant electrical mean axis in electrocardiogram.

      Computing in cardiology

      ISSN 2325-8861.

      Volum 45.

      DOI: 10.22489/CinC.2018.151

    • Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Ørn, Stein; Kleiven, Øyunn

      (2018)

      High Frequency Noise Detection and Handling in ECG Signals.

      European Signal Processing Conference

      ISSN 2076-1465.

      s.46-50.

      DOI: 10.23919/EUSIPCO.2018.8553046

    • Isasi, Iraia; Rad, Ali Bahrami; Irusta, Unai; Zabihi, Morteza; Aramendi, Elisabete; Eftestøl, Trygve Christian; Kramer-Johansen, Jo; Wik, Lars

      (2018)

      ECG Rhythm Analysis during Manual Chest compressions using an Artefact Removal Filter and Random Forest Classifiers.

      Computing in cardiology

      ISSN 2325-8861.

      Volum 45.

      DOI: 10.22489/CinC.2018.202

    • Dlugosz, Dominika; Eftestøl, Trygve Christian; Krolak, Aleksandra; Wiktorski, Tomasz; Ørn, Stein

      (2018)

      The North Sea bicycle race ECG project: Time-domain analysis.

      Journal of Automation, Mobile Robotics & Intelligent Systems

      ISSN 1897-8649.

      Volum 12.

      Hefte 1.

      s.23-32.

      DOI: 10.14313/JAMRIS_1-2018/3

    • Długosz, Dominika; Krolak, Aleksandra; Eftestøl, Trygve Christian; Ørn, Stein; Wiktorski, Tomasz; Oskal, Kay Raymond; Nygård, Martin

      (2018)

      ECG Signal Analysis for Troponin Level Assessment and Coronary Artery Disease Detection: the NEEDED Study 2014.

      Annals of Computer Science and Information Systems

      ISSN 2300-5963.

      Volum 15.

      s.1065-1068.

      DOI: 10.15439/2018F247

    • Khanmohammadi, Mahdieh; Engan, Kjersti; Eftestøl, Trygve Christian; Sæland, Charlotte; Larsen, Alf Inge

      (2017)

      SEGMENTATION OF CORONARY ARTERIES FROM X-RAY ANGIOGRAPHY SEQUENCES DURING CONTRAST FLUID PROPAGATION BY IMAGE REGISTRATION. I: Proceedings Global Conferance on Signal and Information Processing GlobalSIP 2017.

      IEEE Signal Processing Society

      ISBN 978-1-5090-5990-4.

    • Oppedal, Ketil; Engan, Kjersti; Eftestøl, Trygve Christian; Beyer, Mona K.; Aarsland, Dag

      (2017)

      Classifying Alzheimer's disease, Lewy body dementia, and normal controls using 3D texture analysis in magnetic resonance images.

      Biomedical Signal Processing and Control

      ISSN 1746-8094.

      Volum 33.

      s.19-29.

      DOI: 10.1016/j.bspc.2016.10.007

    • Isasi, Iraia; Irusta, Unai; Aramendi, Elisabete; Ayala, Unai; Alonso, Erik; Kramer-Johansen, Jo; Eftestøl, Trygve Christian

      (2017)

      Removing Piston-driven Mechanical Chest Compression Artefacts from the ECG.

      Computing in cardiology

      ISSN 2325-8861.

      Volum 44.

      DOI: 10.22489/CinC.2017.009-115

    • Vu, Thi Phuong Huyen; Engan, Kjersti; Eftestøl, Trygve Christian; Katsaggelos, Aggelos; Jatosh, Samwel; Kusulla, Simeon; Mduma, Estomih; Kidanto, Hussein; Ersdal, Hege Langli

      (2017)

      Automatic classification of resuscitation activities on birth-asphyxiated newborns using acceleration and ECG signals.

      Biomedical Signal Processing and Control

      ISSN 1746-8094.

      Volum 36.

      s.20-26.

      DOI: 10.1016/j.bspc.2017.03.004

    • Vu, Thi Phuong Huyen; Eftestøl, Trygve Christian; Engan, Kjersti; Eilevstjønn, Joar; Yarrot, Ladislaus Blacy; Linde, Jørgen Erland; Ersdal, Hege Langli

      (2017)

      Automatic Detection and Parameterization of Manual Bag-Mask Ventilation on Newborns.

      IEEE journal of biomedical and health informatics

      ISSN 2168-2194.

      Volum 21.

      Hefte 2.

      s.527-538.

      DOI: 10.1109/JBHI.2016.2518238

    • Meinich-Bache, Øyvind; Engan, Kjersti; Eftestøl, Trygve Christian; Austvoll, Ivar

      (2017)

      Detecting chest compression depth using a smartphone camera and motion segmentation.

      Lecture Notes in Computer Science (LNCS)

      ISSN 0302-9743.

      Volum 10270 LNCS.

      s.53-64.

      DOI: 10.1007/978-3-319-59129-2_5

    • Rad, Ali Bahrami; Eftestøl, Trygve Christian; Engan, Kjersti; Irusta, Unai; Kvaløy, Jan Terje; Kramer-Johansen, Jo; Wik, Lars; Katsaggelos, Aggelos K.

      (2017)

      ECG-Based classification of resuscitation cardiac rhythms for retrospective data analysis.

      IEEE Transactions on Biomedical Engineering

      ISSN 0018-9294.

      Volum 64.

      Hefte 10.

      s.2411-2418.

      DOI: 10.1109/TBME.2017.2688380

    • Urdal, Jarle; Engan, Kjersti; Eftestøl, Trygve Christian; Kidanto, Hussein; Yarrot, Ladislaus Blacy; Eilevstjønn, Joar; Ersdal, Hege Langli

      (2017)

      Signal Processing and Classification for Identification of Clinically Important Parameters During Neonatal Resuscitation. I: Proc. of the 2017 IEEE International Conference on Signal and Image Processing Applications (IEEE ICSIPA 2017).

      IEEE

      ISBN 978-1-5090-5559-3.

      s.547-552.

      DOI: 10.1109/icsipa.2017.8120672

    • Długosz, Dominika; Eftestøl, Trygve Christian; Ørn, Stein; Wiktorski, Tomasz; Krolak, Aleksandra

      (2017)

      The North Sea Bicycle Race ECG Project: Time-Domain Analysis.

      Annals of Computer Science and Information Systems

      ISSN 2300-5963.

      Volum 11.

      s.1353-1356.

      DOI: 10.15439/2017F303

    • Vu, Thi Phuong Huyen; Eftestøl, Trygve Christian; Engan, Kjersti; Eilevstjønn, Joar; Yarrot, Ladislaus Blacy; Linde, Jørgen Erland; Ersdal, Hege Langli

      (2016)

      Detection of activities during newborn resuscitation based on short-time energy of acceleration signal.

      Lecture Notes in Computer Science (LNCS)

      ISSN 0302-9743.

      Volum 9680.

      s.262-270.

      DOI: 10.1007/978-3-319-33618-3_27

    • Figuera, Carlos; Irusta, Unai; Morgado, Eduardo; Aramendi, Elisabete; Ayala, Unai; Wik, Lars; Kramer-Johansen, Jo; Eftestøl, Trygve Christian; Alonso-Atienza, Felipe

      (2016)

      Machine learning techniques for the detection of shockable rhythms in automated external defibrillators.

      PLOS ONE

      ISSN 1932-6203.

      Volum 11:e0159654.

      Hefte 7.

      DOI: 10.1371/journal.pone.0159654

    • Rad, Ali Bahrami; Engan, Kjersti; Katsaggelos, Aggelos K.; Kvaløy, Jan Terje; Wik, Lars; Kramer-Johansen, Jo; Irusta, Unai; Eftestøl, Trygve Christian

      (2016)

      Automatic cardiac rhythm interpretation during resuscitation.

      Resuscitation

      ISSN 0300-9572.

      Volum 102.

      s.44-50.

      DOI: 10.1016/j.resuscitation.2016.01.015

    • Aramendi, Elisabete; Irusta, U; Ayala, Unai; Naas, Henning; Kramer-Johansen, Jo; Eftestøl, Trygve Christian

      (2016)

      Filtering mechanical chest compression artefacts from out-of-hospital cardiac arrest data.

      Resuscitation

      ISSN 0300-9572.

      Volum 98.

      s.41-47.

      DOI: 10.1016/j.resuscitation.2015.10.012

    • Vu, Huyen Phuong; Eftestøl, Trygve; Engan, Kjersti; Eilevstjønn, Joar; Linde, Jørgen Erland; Ersdal, Hege

      (2015)

      Exploratory Analysis of Ventilation Signals from Resuscitation Data of Newborns.

      Communications in Computer and Information Science

      ISSN 1865-0929.

      Volum 574.

      s.275-290.

      DOI: 10.1007/978-3-319-27707-3_17

    • Gonzalez-Otero, Digna M.; Ruiz de Gauna, Sofia; Ruiz, Jesus; Daya, Mohamud R.; Wik, Lars; Russell, James K.; Kramer-Johansen, Jo; Eftestøl, Trygve; Alonso, Erik; Ayala, Unai

      (2015)

      Chest compression rate feedback based on transthoracic impedance.

      Resuscitation

      ISSN 0300-9572.

      Volum 93.

      s.82-88.

      DOI: 10.1016/j.resuscitation.2015.05.027

    • Ayala, U.; Irusta, U; Ruiz, J.; Ruiz de Gauna, S.; Gonzalez-Otero, D; Alonso, E; Kramer-Johansen, Jo; Naas, Henning; Eftestøl, Trygve

      (2015)

      Fully automatic rhythm analysis during chest compression pauses.

      Resuscitation

      ISSN 0300-9572.

      Volum 89.

      s.25-30.

      DOI: 10.1016/j.resuscitation.2014.11.022

    • Oppedal, Ketil; Eftestøl, Trygve; Engan, Kjersti; Beyer, Mona K.; Aarsland, Dag

      (2015)

      Classifying dementia using local binary patterns from different regions in magnetic resonance images.

      International Journal of Biomedical Imaging

      ISSN 1687-4188.

      Volum 2015.

      DOI: 10.1155/2015/572567

    • Woie, Leik; Engan, Kjersti; Eftestøl, Trygve; Kvaløy, Jan Terje; Ørn, Stein

      (2015)

      The relationship between transmurality of ischemic scars and the heart rate of ventricular tachycardia.

      Scandinavian Cardiovascular Journal

      ISSN 1401-7431.

      Volum 49.

      Hefte 5.

      s.241-248.

      DOI: 10.3109/14017431.2015.1066844

    • Vu, Huyen Phuong; Eftestøl, Trygve Christian; Engan, Kjersti; Eilevstjønn, Joar; Linde, Jørgen Erland; Ersdal, Hege Langli

      (2015)

      Exploratory Analysis of Ventilation Signals from Resuscitation Data of Newborns. I: Proceedings of the International Conference on Bio-inspired Systems and Signal Processing (BIOSTEC 2015).

      SciTePress

      ISBN 978-989-758-069-7.

      s.12-20.

      DOI: 10.5220/0005176800120020

    • Kotu, Lasya Priya; Engan, Kjersti; Borhani, Reza; Katsaggelos, Aggelos K.; Ørn, Stein; Woie, Leik; Eftestøl, Trygve

      (2015)

      Cardiac magnetic resonance image-based classification of the risk of arrhythmias in post-myocardial infarction patients.

      Artificial Intelligence in Medicine

      ISSN 0933-3657.

      Volum 64.

      Hefte 3.

      s.205-215.

      DOI: 10.1016/j.artmed.2015.06.001

    • Vu, Thi Phuong Huyen; Eftestøl, Trygve Christian; Engan, Kjersti; Eilevstjønn, Joar; Yarrot, Ladislaus Blacy; Linde, Jørgen Erland; Ersdal, Hege Langli

      (2015)

      Exploring the Relationship Between Characteristics of Ventilation Performance and Response of Newborns During Resuscitation.

      Communications in Computer and Information Science

      ISSN 1865-0929.

      s.275-290.

      DOI: 10.1007/978-3-319-27707-3_17

    • Gundersen, Kenneth; Kvaløy, Jan Terje; Eftestøl, Trygve; Kramer-Johansen, Jo

      (2015)

      Modelling ventricular fibrillation coarseness during cardiopulmonary resuscitation by mixed effects stochastic differential equations.

      Statistics in Medicine

      ISSN 0277-6715.

      Volum 34.

      Hefte 23.

      s.3159-3169.

      DOI: 10.1002/sim.6539

    • Engan, Kjersti; Naranjo, Valery; Eftestøl, Trygve Christian; Ørn, Stein; Woie, Leik

      (2015)

      Segmentation of LG Enhanced Cardiac MRI. I: Proceedings of the International Conference on Bioimaging (BIOIMAGING-2015).

      SciTePress

      ISBN 978-989-758-072-7.

      s.47-55.

      DOI: 10.5220/0005169200470055

    • Woie, Leik; Engan, Kjersti; Eftestøl, Trygve; Larsen, Alf Inge; Ørn, Stein

      (2015)

      The Localization and Characterization of Ischemic Scars in relation to the Infarct Related Coronary Artery Assessed by Cardiac Magnetic Resonance and a Novel Automatic Postprocessing Method.

      Cardiology Research and Practice

      ISSN 2090-8016.

      Volum 2015.

      DOI: 10.1155/2015/120874

    • Eftestøl, Trygve Christian; Singsaas, Erlend Gyllensten; Engan, Kjersti; Woie, Leik; Ørn, Stein

      (2015)

      Automatic Detection of Microvascular Obstruction in Patients with Myocardial Infarction.

      Computing in cardiology

      ISSN 2325-8861.

      Volum 42.

      s.757-760.

      DOI: 10.1109/cic.2015.7411021

    • Huyen, Vu; Eftestøl, Trygve; Engan, Kjersti; Eilevstjønn, Joar; Linde, Jørgen Erland; Ersdal, Hege

      (2014)

      Exploratory Analysis of Heart Rate Changes in Newborns to Investigate the Effectiveness of Bag-Mask Ventilation.

      Computing in cardiology

      ISSN 2325-8861.

      Volum 41.

      Hefte January.

      s.457-460.

    • Ayala, Unai; Irusta, Unai; Ruiz, Jesús; Alonso-Atienza, Felipe; Alonso, Erik; González-Otero, Digna; Kramer-Johansen, Jo; Naas, Henning; Eftestøl, Trygve

      (2014)

      Filtering chest compression artifacts improves the performance of VF-detection parameters.

      Computing in cardiology

      ISSN 2325-8861.

      Volum 41.

      Hefte January.

      s.1109-1112.

    • Engan, Kjersti; Naranjo, Valery; Eftestøl, Trygve; Woie, Leik; Schuchter, Arthur; Ørn, Stein

      (2014)

      Automatic Detection of Heart Center in Late Gadolinium Enhanced MRI.

      International Federation for Medical and Biological Engineering Proceedings

      ISSN 1680-0737.

      Volum 41.

      s.165-168.

      DOI: 10.1007/978-3-319-00846-2_41

    • Woie, Leik; Måløy, Frode; Eftestøl, Trygve; Engan, Kjersti; Edvardsen, Thor; Kvaløy, Jan Terje; Ørn, Stein

      (2014)

      Comparing a novel automatic 3D method for LGE-CMR quantification of scar size with established methods.

      The International Journal of Cardiovascular Imaging

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    • Eilevstjønn, Joar; Kramer-Johansen, Jo; Eftestøl, Trygve; Stavland, Mette; Myklebust, Helge; Steen, Petter Andreas

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      Reducing no flow times during automated external defibrillation.

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    • Eftestøl, Trygve; Losert, Heidrun; Kramer-Johansen, Jo; Wik, Lars; Sterz, Fritz; Steen, Petter Andreas

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      Independent evaluation of a defibrillation outcome predictor for out-of-hospital cardiac arrested patients.

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    • Eilevstjønn, Joar; Eftestøl, Trygve; Aase, Sven Ole; Myklebust, Helge; Husøy, John Håkon; Steen, Petter Andreas

      (2004)

      Feasibility of shock advice analysis during CPR through removal of CPR artefacts from the human ECG.

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    • Eftestøl, Trygve; Wik, Lars; Sunde, Kjetil; Steen, Petter Andreas

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      Effects of cardiopulmonary resuscitation on predictors ofventricular fibrillation defibrillation success during out-of-hospital cardiac arrest.

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    • Watson, Jamie; Uchaipichat, Nopadol; Addison, Paul S; Clegg, Gareth R; Robertson, Colin; Eftestøl, Trygve; Steen, Petter Andreas

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      Improved prediction of defibrillation success for out-of-hospital VF cardiac arrest using wavelet transform methods.

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    • Eftestøl, Trygve; Wik, Lars; Sunde, Kjetil; Steen, Petter Andreas

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      Effects of cardiopulmonary resuscitation on predictors of ventricular fibrillation defibrillation success during out-of-hospital cardiac arrest.

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    • Eftestøl, Trygve; Eilevstjønn, Joar; Steen, Petter Andreas

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      Advanced life support therapy on out-of-hospital cardiac arrest patients: an engineering perspective.

      ?

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    • Eftestøl, Trygve; Sunde, Kjetil; Steen, Petter Andreas

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      Effects of interrupting precordial compressions on the calculated probability of defibrillation succes during out-of-hospital cardiac arrest.

      Circulation

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    • Husøy, John Håkon; Eilevstjønn, Joar; Eftestøl, Trygve; Aase, Sven Ole; Myklebust, Helge; Steen, Petter Andreas

      (2002)

      Removal of cardiopulmonary resuscitation artifacts from human ecg using an efficient matching pursuit-like algorithm.

      IEEE Transactions on Biomedical Engineering

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    • Eftestøl, Trygve; Sunde, Kjetil; Aase, Sven Ole; Husøy, John Håkon; Steen, Petter Andreas

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      Probability of successful defibrillation' as a monitor during CPR in out-of-hospital cardiac arrested patients.

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    • Langhelle, Audun; Eftestøl, Trygve; Myklebust, Helge; Eriksen, Morten; Holten, Bjørn Terje; Steen, Petter Andreas

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      Reducing CPR artefacts in ventricular fibrillation in vitro.

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    • Strohmenger, Hans Ulrich; Eftestøl, Trygve; Sunde, Kjetil; Wenzel, Volker; Mair, Metchild; Ulmer, Hanno; Lindner, Karl; Steen, Petter Andreas

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      The Predictive Value of Ventricular Fibrillation Electrocardiogram Signal Frequency and Amplitude Variables in Patients with Out-Of-Hospital Cardiac Arrest.

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    • Small, Michael; Yu, Dejin; Harrison, Robert G.; Clayton, Richard; Eftestøl, Trygve; Sunde, Kjetil; Steen, Petter Andreas

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      Temporal evolution of nonlinear dynamics in ventricular arrhythmia.

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    • Aase, Sven Ole; Eftestøl, Trygve; Husøy, John Håkon; Sunde, Kjetil; Steen, Petter Andreas

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      CPR artifact removal from human ECG using optimal multichannel filtering.

      IEEE Transactions on Biomedical Engineering

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    • Eftestøl, Trygve; Sunde, Kjetil; Aase, Sven Ole; Husøy, John Håkon; Steen, Petter Andreas

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      Predicting outcome of defibrillation by spectral characterization and nonparametric classification of ventricular fibrillation in patients with out-of-hospital cardiac arrest.

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    • Sunde, Kjetil; Eftestøl, Trygve; Askenberg, Christian; Steen, Petter Andreas

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      Quality assessment of defibrillation and advanced life support using data from the medical control module of the defibrillator.

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  • Bøker og kapitler
    • Urdal, Jarle

      (2020)

      Signal Processing for Newborn Survival - from Labour to Resuscitation.

      ISBN 978-82-7644-942-6.

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    • Meinich-Bache, Øyvind; Austvoll, Ivar

      (2020)

      Automatic Video Analysis in Resuscitation.

      ISBN 978-82-7644-900-6.

      Hefte 499.

    • Oskal, Kay Raymond

      (2016)

      Myocardial damage during mountain bike race - an analysis of data from Nordsjørittet 2014 (NEEDED study).

      Universitetet i Stavanger

    • Oppedal, Ketil; Aarsland, Dag; Beyer, Mona K.

      (2016)

      White Matter Lesions and Pattern Recognition in MRI of Neurodegenerative Dementia.

      ISBN 978-82-7644-674-6.

      Hefte 313.

    • Vu, Thi Phuong Huyen

      (2016)

      Respiratory-cardio signal processing and analysis of resuscitation data on newborns in low-resource settings.

      ISBN 978-82-7644-661-6.

      Hefte 302.

    • Eftestøl, Trygve

      (2000)

      Signal analysis of out-of-hospital cardiac arrest electrocardiograms for decision support during cardiopulmonary resuscitation.

  • Formidling
    • Eftestøl, Trygve Christian; Stokka, Svein Erik; Kvaløy, Jan Terje; Rad, Ali Bahrami; Irusta, Unai; Aramendi, Elisabete; Alonso, Erik; Nordseth, Trond; Skogvoll, Eirik; Wik, Lars; Kramer-Johansen, Jo

      (2020)

      A probabilistic function to model the relationship between quality of chest compressions and the physiological response for patients in cardiac arrest.

    • Schulz, Jörn; Kvaløy, Jan Terje; Engan, Kjersti; Eftestøl, Trygve Christian; Jatosh, Samwel; Hussein, Kidanto; Ersdal, Hege Langli

      (2019)

      State transition modeling of complex monitored health data.

    • Larsen, Simen Norrheim; Eftestøl, Trygve Christian; Ferreira, Daniel; Westman, Eric; Abdelnour, Carla; Aarsland, Dag; Oppedal, Ketil

      (2019)

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      (2019)

      Multiscale Deep Neural Networks for Multiclass Tissue Classification of Histological Whole-Slide Images.

      Medical Imaging with Deep Learning: MIDL 2019

    • Urdal, Jarle; Engan, Kjersti; Eftestøl, Trygve Christian; Yarrot, Ladislaus Blacy; Kidanto, Hussein; Ersdal, Hege Langli

      (2019)

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    • Bakke, Magnus; Borgen, Alexander; Norvik, Anders; Skjeflo, Gunnar Waage; Irusta, Unai; Tannvik, Tomas Dybos; Bergum, Daniel; Aramendi, Elisabete; Eftestøl, Trygve Christian; Skogvoll, Eirik

      (2019)

      Physiological effects of adrenaline in human cardiac arrest from PEA - a pilot study .

    • Wetteland, Rune; Engan, Kjersti; Eftestøl, Trygve Christian; Kvikstad, Vebjørn; Janssen, Emiel

      (2018)

      Histological Image Segmentation of Bladder Cancer Using Machine Learning.

    • Meinich-Bache, Øyvind; Engan, Kjersti; Eftestøl, Trygve Christian; Austvoll, Ivar

      (2018)

      KINECT MODELLING OF CHEST COMPRESSIONS - A FEASIBILITY STUDY FOR CHEST COMPRESSION DEPTH MEASUREMENT USING DIGITAL STRATEGIES.

    • Nordseth, Trond; Eftestøl, Trygve Christian; Skogvoll, Eirik; Kvaløy, Jan Terje

      (2018)

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    • Nordseth, Trond; Skogvoll, Eirik; Eftestøl, Trygve Christian; Kvaløy, Jan Terje

      (2018)

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    • Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Rong, Chunming; Ørn, Stein; Kleiven, Øyunn

      (2018)

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    • Eftestøl, Trygve Christian; Stokka, Svein Erik; Kvaløy, Jan Terje; Rad, Ali Bahrami; Irusta, Unai; Aramendi, Elisabete; Alonso, Erik; Nordseth, Trond; Skogvoll, Eirik; Wik, Lars; Kramer-Johansen, Jo

      (2018)

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    • Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Kleiven, Øyunn; Ørn, Stein

      (2018)

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    • Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Ørn, Stein; Kleiven, Øyunn

      (2018)

      High Frequency Noise Detection and Handling in ECG Signals.

    • Khanmohammadi, Mahdieh; Engan, Kjersti; Eftestøl, Trygve Christian; sæland, charlotte; Larsen, Alf Inge

      (2017)

      SEGMENTATION OF CORONARY ARTERIES FROM X-RAY ANGIOGRAPHY SEQUENCES DURING CONTRAST FLUID PROPAGATION BY IMAGE REGISTRATION.

    • Meinich-Bache, Øyvind; Engan, Kjersti; Eftestøl, Trygve Christian; Austvoll, Ivar

      (2017)

      Detecting Chest Compression Depth Using a Smartphone Camera and Motion Segmentation.

    • Urdal, Jarle; Engan, Kjersti; Eftestøl, Trygve Christian; Kidanto, Hussein; Yarrot, Ladislaus Blacy; Eilevstjønn, Joar; Ersdal, Hege Langli

      (2017)

      Signal Processing and Classification for Identification of Clinically Important Parameters During Neonatal Resuscitation.

    • Vu, Huyen; Eftestøl, Trygve; Engan, Kjersti; Eilevstjønn, Joar; Linde, Jørgen Erland; Ersdal, Hege

      (2015)

      Exploratory Analysis of Ventilation Signals from Resuscitation Data of Newborns.

    • Eftestøl, Trygve Christian

      (2015)

      Biomedical data analysis.

    • Engan, Kjersti; Naranjo, Valery; Eftestøl, Trygve; Ørn, Stein; Woie, Leik

      (2015)

      Segmentation of LG Enhanced Cardiac MRI.

    • Eftestøl, Trygve Christian; Singsaas, Erlend; Engan, Kjersti; Woie, Leik; Ørn, Stein

      (2015)

      Automatic Detection of Microvascular Obstruction in Patients with Myocardial Infarction.

    • Huyen, Vu; Eftestøl, Trygve; Engan, Kjersti; Eilevstjønn, Joar; Linde, Jørgen Erland; Ersdal, Hege

      (2014)

      Exploratory Analysis of Heart Rate Changes in Newborns to Investigate the Effectiveness of Bag-Mask Ventilation.

    • Eftestøl, Trygve; Måløy, Frode; Engan, Kjersti; Kotu, Lasya Priya; Woie, Leik; Ørn, Stein

      (2014)

      A Texture-based Probability Mapping for Localisation of Clinically Important Cardiac Segments in the Myocardium in Cardiac Magnetic Resonance Images from Myocardial Infarction Patients.

    • Engan, Kjersti; Woie, Leik; Eftestøl, Trygve

      (2014)

      Defining Angular and Radial Positions and Parameters for Myocardial Pixels in Cardiac MR Images.

    • Rad, Ali Bahrami; Eftestøl, Trygve; Kvaløy, Jan Terje; Ayala, Unai; Kramer-Johansen, Jo; Engan, Kjersti

      (2014)

      Nearest-manifold classification approach for cardiac arrest rhythm interpretation during resuscitation.

    • Engan, Kjersti; Naranjo, Valery; Eftestøl, Trygve; Woie, Leik; Schuchter, Arthur; Ørn, Stein

      (2013)

      Automatic Detection of Heart Center in Late Gadolinium Enhanced MRI.

    • Engan, Kjersti; Naranjo, Valery; Eftestøl, Trygve; Ørn, Stein; Woie, Leik

      (2013)

      Automatic Segmentation of the Epicardium in Late Gadolinium Enhanced Cardiac MR Images.

    • Måløy, Frode; Woie, Leik; Eftestøl, Trygve; Engan, Kjersti; Ørn, Stein

      (2013)

      Measuring the Degree of Fibrosity of Myocardial Scars from Late Gadolinium- Enhanced Cardiovascular Magnetic Resonance Images.

    • Eftestøl, Trygve

      (2013)

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    • Rad, Ali Bahrami; Eftestøl, Trygve; Kvaløy, Jan Terje; Ayala, Unai; Kramer-Johansen, Jo; Engan, Kjersti

      (2013)

      Probabilistic Classification Approaches for Cardiac Arrest Rhythm Interpretation during Resuscitation.

    • Kotu, Lasya Priya; Engan, Kjersti; Eftestøl, Trygve; Woie, Leik; Ørn, Stein; Katsaggelos, Aggelos

      (2012)

      LOCAL BINARY PATTERNS USED ON CARDIAC MRI TO CLASSIFY HIGH AND LOW RISK PATIENT GROUPS.

    • Ayala, U; Aramendi, Elisabete; Irusta, Unai; Alonso, E; gonzales-otero, digna; Eftestøl, Trygve; Kramer-Johansen, Jo; Ingason, Andres

      (2012)

      Recommendations of the American Heart Association on the rhythm library specifications for the development of shock advice algorithms: Do they reflect the real scenario?.

      Resuscitation

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      Volum 83.

      s.e66-e67.

    • de Gauna, Sofia Ruiz; gonzales-otero, digna; Ruiz, Jesus; Ayala, U; Alonso, E; Eftestøl, Trygve; Kramer-Johansen, Jo

      (2012)

      Is rhythm analysis during chest compression pauses for ventilation feasible?.

      Resuscitation

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      Volum 83.

      s.e8-e8.

    • Oppedal, Ketil; Engan, Kjersti; Aarsland, Dag; Beyer, Mona Kristiansen; Tysnes, Ole-Bjørn; Eftestøl, Trygve

      (2012)

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      (2012)

      Texture Analysis to Assess Risk of Serious Arrhythmias after Myocardial Infarction.

    • Eftestøl, Trygve

      (2012)

      Chest compressions: The good, the bad and the ugly.

      Resuscitation

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      Volum 83.

      Hefte 2.

      s.143-144.

      DOI: 10.1016/j.resuscitation.2011.12.022

    • Eftestøl, Trygve; Kvaløy, Jan Terje; Nilsen, Dennis W.T.; Woie, Leik

      (2012)

      Analysis of Intracardiac Electrogram Changes.

    • Kotu, Lasya Priya; Engan, Kjersti; Eftestøl, Trygve; Ørn, Stein; Woie, Leik

      (2011)

      TEXTURE CLASSIFICATION OF SCARRED AND NON-SCARRED MYOCARDIUM IN CARDIAC MRI USING LEARNED DICTIONARIES.

    • Nordseth, Trond; Edelson, DP; Bergum, Daniel; Olasveengen, Theresa Mariero; Eftestøl, Trygve; Abella, Ben; Skogvoll, Eirik

      (2011)

      Prevalence and Development of Clinical States during In-Hospital Cardiac Arrest.

    • Kotu, Lasya Priya; Engan, Kjersti; Eftestøl, Trygve; Ørn, Stein; Woie, Leik

      (2011)

      Segmentation of Scarred and Non-Scarred Myocardium in LG Enhanced CMR Images using Intensity-Based Textural Analysis.

    • Nordseth, Trond; Edelson, DP; Bergum, Daniel; Olasveengen, Theresa Mariero; Eftestøl, Trygve; Abella, Ben; Skogvoll, Eirik

      (2011)

      Optimal CPR Loop Duration for Asystole and PEA during In-Hospital Cardiac Arrest.

    • Nordseth, Trond; Edelson, Dana P.; Bergum, Daniel; Olasveengen, Theresa Mariero; Eftestøl, Trygve; Abella, Benjamin; Skogvoll, Eirik

      (2011)

      Optimal CPR Loop Duration for Asystole and Pulseless Electrical Activity During In-Hospital Cardiac Arrest.

      Circulation

      ISSN 0009-7322.

      Volum 124.

      Hefte 21.

    • Engan, Kjersti; Eftestøl, Trygve; Ørn, Stein; Kvaløy, Jan Terje; Woie, Leik

      (2010)

      Exploratory Data Analysis of Image Texture and Statistical Features on Myocardium and Infarction Areas in Cardiac Magnetic Resonance Images.

    • Pampanin, D.M.; Ravagnan, E.; Apeland, S.; Aarab, N.; Godal, B.F.; Westerlund, S.; Hjermann, Dag Øystein; Eftestøl, Trygve; Budka, M.; Gabrys, B.; Viarengo, A.; Barsiene, J.

      (2010)

      The marine environment IQ concept Developing an index of the quality of the marine environment based on biomarkers: Integration of pollutant effects on marine organisms.

      Comparative Biochemistry and Physiology A

      ISSN 1095-6433.

      Volum 157.

      Hefte 1.

      s.S52-S52.

      DOI: 10.1016/j.cbpa.2010.06.148

    • Kvaløy, Jan Terje; Skogvoll, Eirik; Eftestøl, Trygve; Gundersen, Kenneth; Kramer-Johansen, Jo; Olasveengen, Theresa Mariero; Steen, Petter Andreas

      (2010)

      Analysing clinical state transitions during cardiopulmonary resuscitation.

    • Eftestøl, Trygve

      (2009)

      Controlling true positive rate in ROC analysis.

    • Kjosmoen, Thomas; Ryen, Tom; Eftestøl, Trygve

      (2009)

      Exploring the combinatorics of motif alignments for accurately computing E-values from p-values.

    • Thorsen, Kari Anne Haaland; Eftestøl, Trygve; Rong, Chunming; Steen, Petter Andreas

      (2009)

      An Integrated Information Sharing Structure for Resuscitation Data.

    • Olasveengen, Theresa Mariero; Eftestøl, Trygve; Gundersen, Kenneth; Steen, Petter Andreas; Wik, Lars; Sunde, Kjetil

      (2008)

      Ventricular fibrillation characteristics are different in patients with coronary heart disease compared to patients with a primary arrhythmia.

      Resuscitation

      ISSN 0300-9572.

      Hefte 77.

    • Eftestøl, Trygve

      (2008)

      Signal processing and analysis of data from therapy of cardiac arrest patients.

    • Gundersen, Kenneth; Kvaløy, Jan Terje; Kramer-Johansen, Jo; Steen, Petter Andreas; Eftestøl, Trygve

      (2008)

      Using ECG-analysis to quantify the effect of increasing pre-shock pauses in chest compressions on the probability of ROSC.

    • Gundersen, Kenneth; Kvaløy, Jan Terje; Kramer-Johansen, Jo; Eftestøl, Trygve

      (2008)

      Using ECG-analysis to quantify the effect of increasing pre-shock pauses in chest compressions on the probability of ROSC.

      Resuscitation

      ISSN 0300-9572.

      Hefte 77.

    • Gundersen, Kenneth; Kvaløy, Jan Terje; Kramer-Johansen, Jo; Olasveengen, Theresa Mariero; Eilevstjønn, Joar; Eftestøl, Trygve

      (2008)

      The effect of using within-patient correlation to improve shock outcome prediction.

    • Johansen, Øystein; Ryen, Tom; Eftestøl, Trygve; Kjosmoen, Thomas; Ruoff, Peter

      (2008)

      Splice Site Prediction using Artificial Neural Networks.

    • Kvaløy, Jan Terje; Skogvoll, Eirik; Eftestøl, Trygve; Gundersen, Kenneth; Kramer-Johansen, Jo; Olasveengen, Theresa Mariero; Steen, Petter Andreas

      (2008)

      Identifying factors influencing clinical state transitions in cardiac arrest resuscitation.

      Resuscitation

      ISSN 0300-9572.

      Hefte 77.

    • Woie, L.; Eftestøl, Trygve; Kvaløy, Terje Jan; Aarsland, Torbjørn; Tjelta, K.; Nilsen, DWT

      (2008)

      Intracardiac electrocardiographic (EGM) morphology changes in patients with implantable cardioverter defibrillator (ICD).

      Circulation

      ISSN 0009-7322.

      Hefte 12.

    • Woie, L.; Eftestøl, Trygve; Kvaløy, Jan Terje; Aarsland, Torbjørn; Tjelta, K.; Nilsen, DWT

      (2008)

      Intracardiac electrocardiographic (EGM) morphology changes in patients with implantable cardioverter defibrillator (ICD).

    • Gundersen, Kenneth; Kvaløy, Jan Terje; Kramer-Johansen, Jo; Olasveengen, Theresa Mariero; Eftestøl, Trygve

      (2008)

      The effect of using within-patient correlation to improve shock outcome prediction.

      Resuscitation

      ISSN 0300-9572.

      Hefte 77.

    • Eftestøl, Trygve

      (2007)

      Signal processing and pattern recognition in resuscitation science.

    • Eftestøl, Trygve

      (2007)

      A research experience in bioengineering in Norway.

    • Gundersen, Kenneth; Kvaløy, Jan Terje; Eftestøl, Trygve; Steen, Petter Andreas; Kramer-Johansen, Jo; Wik, Lars; Sterz, Fritz; Losert, Heidrun; Aase, Sven Ole

      (2006)

      Improved shock outcome prediction from a random model.

      Resuscitation

      ISSN 0300-9572.

    • Gundersen, Kenneth; Kvaløy, Jan Terje; Eftestøl, Trygve; Steen, Petter Andreas; Kramer-Johansen, Jo; Wik, Lars; Sterz, Fritz; Losert, Heidrun; Aase, Sven Ole

      (2006)

      Random effects in shock outcome prediction.

      Resuscitation

      ISSN 0300-9572.

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      (2006)

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    • Risdal, Martin; Steen, Petter Andreas; Kramer-Johansen, Jo; Wik, Lars; Sterz, Fritz; Losert, Heidrun; Aase, Sven Ole; Eftestøl, Trygve

      (2006)

      Discriminating between PEA and pulse circulating rhythm using ECG.

      Resuscitation

      ISSN 0300-9572.

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      (2006)

      Random effects in shock outcome prediction.

    • Eftestøl, Trygve; Ryen, Tom; Aase, Sven Ole; Strässle, Cassian; Boos, Marcus; Schuster, Guido M.; Ruoff, Peter

      (2006)

      Eukaryotic gene prediction by spectral analysis and pattern recognition techniques.

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      (2006)

      Matematikk på liv og død?.

    • Kvaløy, Jan Terje; Eftestøl, Trygve; Gundersen, Kenneth; Skogvoll, Eirik; Kramer-Johansen, Jo; Steen, Petter Andreas

      (2006)

      Analysis of factors influencing clinical state transitions in cardiac arrest.

      Resuscitation

      ISSN 0300-9572.

      Hefte 69.

    • Skogvoll, Eirik; Eftestøl, Trygve; Gundersen, Kenneth; Kvaløy, Jan Terje; Kramer-Johansen, Jo; Steen, Petter Andreas

      (2006)

      The dynamics of cardiac arrest - clinical state transitions during CPR.

    • Eftestøl, Trygve

      (2006)

      Waveform analysis - the way to improve survival?.

    • Eftestøl, Trygve; Skogvoll, Eirik; Gundersen, Kenneth; Kvaløy, Jan Terje; Kramer-Johansen, Jo; Steen, Petter Andreas

      (2006)

      Information structuring and symbolic representation for analysis of resuscitation data.

    • Neurauter, Andreas; Eftestøl, Trygve; Kramer-Johansen, Jo; Wenzel, Volker; Lindner, Karl; Eilevstjønn, Joar; Myklebust, Helge; Steen, Petter Andreas; Strohmenger, Hans Ulrich

      (2006)

      Prediction of countershock success employing single feature analysis from ventricular fibrillation power bands or feature combination using neural networks.

      Resuscitation

      ISSN 0300-9572.

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      (2006)

      Analysing the dynamics of pulseless electrical activity during cardiopulmonary resuscitation.

    • Eftestøl, Trygve

      (2005)

      Signalbehandling og mønstergjenkjenning innen akuttmedisin.

    • Risdal, Martin; Aase, Sven Ole; Eftestøl, Trygve

      (2005)

      Examining the Potential of Using Thorax Impedance Measured by Automated External Defibrillators for Quantification of Circulation.

    • Risdal, Martin; Losert, Heidrun; Nysæther, Jon; Aase, Sven Ole; Sterz, Fritz; Eftestøl, Trygve

      (2005)

      NON-INVASIVE VENTILATION MONITORING DURING CARDIOPULMONARY RESUSCITATION BY MEANS OF THORACIC IMPEDANCE.

    • Risdal, Martin; Eftestøl, Trygve; Aase, Sven Ole; Steen, Petter Andreas; Sleveland, Tone; Wik, Lars; Kramer-Johansen, Jo; Sterz, Fritz; Losert, Heidrun

      (2005)

      Improving rhythm classification using electrocardiogram and thorax impedance recorded by automated external defibrillators.

    • Risdal, Martin; Stavland, Mette; Aase, Sven Ole; Eftestøl, Trygve

      (2005)

      IMPEDANCE-BASED VENTILATION DETECTION DURING CARDIOPULMONARY RESUSCITATION USING A NEURAL NETWORK.

    • Risdal, Martin; Losert, Heidrun; Nysæther, Jon; Aase, Sven Ole; Sterz, Fritz; Eftestøl, Trygve

      (2005)

      VENTILATION CLASSIFICATION FOR CARDIOPULMONARY RESUSCITATION QUALITY MONITORING USING THORACIC IMPEDANCE.

    • Risdal, Martin; Aase, Sven Ole; Eftestøl, Trygve

      (2005)

      Arbitrary feature space dimensionality reduction with focus on loss of discrimination for two-class problems.

    • Eftestøl, Trygve; Risdal, Martin; Eilevstjønn, Joar; Steen, Petter Andreas

      (2005)

      Advanced life support therapy on out-of-hospital cardiac arrest patients: Applying signal processing and pattern recognition methods.

      Modeling, Identification and Control

      ISSN 0332-7353.

      Volum 26.

      Hefte 4.

      s.221-235.

    • Eftestøl, Trygve; Wik, Lars; Sunde, Kjetil; Steen, Petter Andreas

      (2004)

      CPR causes changes in predictors of VF defibrillation success during out-of-hospital cardiac arrest.

    • Watson, Jamie; Uchaipichat, Nopadol; Addison, Paul S; Clegg, Gareth R; Robertson, Colin; Eftestøl, Trygve; Steen, Petter Andreas

      (2004)

      Novel wavelet transform methods predict defibrillation success for out-of-hospital cardiac arrest.

    • Eilevstjønn, Joar; Eftestøl, Trygve; Kramer-Johansen, Jo; Steen, Petter Andreas

      (2004)

      Reducing the no flow time in automated external defibrillation.

    • Eftestøl, Trygve

      (2003)

      Ingeniøren, kan de hjelpe oss? Engineers - can they help us?.

    • Eilevstjønn, Joar; Eftestøl, Trygve; Steen, Petter Andreas

      (2003)

      Reducing The Hands-Off Interval By Filtering CPR Artefacts In ECG.

    • Uchaipichat, Nopadol; Addison, Paul S; Watson, Jamie; Clegg, Gareth R; Robertson, Colin; Steen, Petter Andreas; Eftestøl, Trygve

      (2002)

      Wavelet Power Spectrum Analysis of Cardiac Arrhythmias: Ventricular Fibrillation.

    • Addison, Paul S; Uchaipichat, Nopadol; Watson, Jamie; Clegg, Gareth R; Robertson, Colin; Steen, Petter Andreas; Eftestøl, Trygve

      (2002)

      Positional Depedence of Time-Frequency Information in the Electrocardiograph used for the Prediction of Successful Defibrillation.

    • Eftestøl, Trygve; Sunde, Kjetil; Steen, Petter Andreas

      (2002)

      The effects of interrupting precordial compressions on the calculated probability of defibrillation success in out-of-hospital cardiac arrest patients.

    • Uchaipichat, Nopadol; Watson, Jamie; Addison, Paul S; Clegg, Gareth R; Robertson, Colin; Steen, Petter Andreas; Eftestøl, Trygve

      (2002)

      Optimal pre-shock signal length for time-frequency classification used in the predicition of successful defibrillation.

    • Eilevstjønn, Joar; Husøy, John Håkon; Eftestøl, Trygve; Aase, Sven Ole; Steen, Petter Andreas

      (2002)

      Multichannel adaptive filtering using an efficient matching pursuit-like algorithm for removal of CPR artifacts in ECG signals.

    • Addison, Paul S; Uchaipichat, Nopadol; Watson, Jamie; Clegg, Gareth R; Robertson, Colin; Steen, Petter Andreas; Eftestøl, Trygve

      (2001)

      Wavelet power spectrum-based prediction of successful defibrillation from ventricular fibrillation.

    • Sunde, Kjetil; Eftestøl, Trygve; Steen, Petter Andreas

      (2001)

      Prehospital hjertestans - resultater etter to års Utstein-registrering ved ambulansetjenesten i Oslo.

    • Sunde, Kjetil; Eftestøl, Trygve; Askenberg, Christian; Steen, Petter Andreas

      (2001)

      Kvalitetsvurdering av avansert hjerte-lunge-redning i ambulansetjenesten i Oslo ved analysering av defibrillatorens datamodul.

    • Eftestøl, Trygve; Sunde, Kjetil; Aase, Sven Ole; Husøy, John Håkon; Steen, Petter Andreas

      (2000)

      Monitoring the "probability of successful defibrillation" during CPR in out-of-hospital cardiac arrested patients.

    • Eftestøl, Trygve; Sunde, Kjetil; Aase, Sven Ole; Husøy, John Håkon; Steen, Petter Andreas

      (2000)

      Predicting defibrillation outcome from VF-characteristics in out-of-hospital cardiac arrest.

    • Sunde, Kjetil; Eftestøl, Trygve; Steen, Petter Andreas

      (2000)

      Survival rate depends on place of collapse in patients with out-of-hospital cardiac arrest in Oslo.

    • Aase, Sven Ole; Husøy, John Håkon; Eftestøl, Trygve

      (2000)

      Optimum CPR artefact removal in human ECG signals.

    • Eftestøl, Trygve; Aase, Sven Ole; Husøy, John Håkon

      (2000)

      A method for detection of signal harmonics in the spectrum.

    • Eftestøl, Trygve; Aase, Sven Ole; Husøy, John Håkon

      (2000)

      Spectral characterization of ECG in out-of-hospital cardiac arrest patients.

    • Eftestøl, Trygve; Aase, Sven Ole; Husøy, John Håkon

      (1999)

      Spectral flatness measure for characterising changes in cardiac arrhythmias.

    • Eftestøl, Trygve; Aase, Sven Ole; Husøy, John Håkon; Chang, H. K.; Zhang, Y. T.

      (1999)

      A flexible pattern recognition system for analysis of ECG and related demographics and annotations.

    • Eftestøl, Trygve; Aase, Sven Ole; Husøy, John Håkon

      (1999)

      Characterisation og changes in cardiac arrhythmias using spectral parameters.

    • Eftestøl, Trygve; Øien, G.E.

      (1998)

      ECG rhythm classification using artificial neural networks.

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