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1

Effects of compression depth and pre-shock pauses predict defibrillation failure during cardiac arrest

Dana P. Edelson, Benjamin S. Abella, Jo Kramer-Johansen, Lars Wik, Helge Myklebust, Anne M. Barry, Raina M. Merchant, Terry L. Vanden Hoek, Petter A. Steen, Lance B. Becker

Journal:

Year:

2006

Language:

english

File:

PDF, 337 KB

english, 2006

2

Compression force–depth relationship during out-of-hospital cardiopulmonary resuscitation

A.E. Tomlinson, J. Nysaether, J. Kramer-Johansen, P.A. Steen, E. Dorph

Journal:

Year:

2007

Language:

english

File:

PDF, 538 KB

english, 2007

3

Dynamics and state transitions during resuscitation in out-of-hospital cardiac arrest

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

Journal:

Year:

2008

Language:

english

File:

PDF, 1.18 MB

english, 2008

4

Comparison of mechanical characteristics of the human and porcine chest during cardiopulmonary resuscitation

Andreas Neurauter, Jon Nysæther, Jo Kramer-Johansen, Joar Eilevstjønn, Peter Paal, Helge Myklebust, Volker Wenzel, Karl H. Lindner, Werner Schmölz, Morten Pytte, Petter A. Steen, Hans-Ulrich Strohmeng

Journal:

Year:

2009

Language:

english

File:

PDF, 753 KB

english, 2009

5

Video analysis of dispatcher-rescuer teamwork—Effects on CPR technique and quality

T.S. Birkenes, H. Myklebust, A. Neset, T.M. Olasveengen, J. Kramer-Johansen

Journal:

Year:

2010

Language:

english

File:

PDF, 87 KB

english, 2010

6

Quality of cardiopulmonary resuscitation during out-of-hospital cardiac arrest

L. Wik, J. Kramer-Johansen, H. Myklebust

Journal:

ACC Current Journal Review

Year:

2005

Language:

english

File:

PDF, 40 KB

english, 2005

7

Clinical pilot study of different hand positions during manual chest compressions monitored with capnography

Qvigstad, Eric, Kramer-Johansen, Jo, Tømte, Øystein, Skålhegg, Tore, Sørensen, Øyvar, Sunde, Kjetil, Olasveengen, Theresa M.

Journal:

Year:

2013

Language:

english

File:

PDF, 234 KB

english, 2013

8

Hemodynamics during piston based mechanical chest compressions with and without lateral support – A randomized, cross-over experimental study

Kramer-Johansen, Jo, Olasveengen, Theresa Mariero, Qvigstad, Eric, Olsen, Jan-Åge, Eriksen, Morten, Skulberg, Vidar, Wik, Lars

Journal:

Year:

2012

Language:

english

File:

PDF, 88 KB

english, 2012

9

A Failed Attempt to Improve Quality of Out-of-Hospital CPR Through Performance Evaluation

Olasveengen, Theresa Mariero, Tomlinson, Ann-Elin, Wik, Lars, Sunde, Kjetil, Steen, Petter Andreas, Myklebust, Helge, Kramer-Johansen, Jo

Journal:

Prehospital Emergency Care

Year:

2007

Language:

english

File:

PDF, 73 KB

english, 2007

10

A Multistage Algorithm for ECG Rhythm Analysis during Piston Driven Mechanical Chest Compressions

Isasi, Iraia, Irusta, Unai, Aramendi, Elisabete, Ayala, Unai, Alonso, Erik, Kramer-Johansen, J, Eftestol, Trygve

Journal:

IEEE Transactions on Biomedical Engineering

Year:

2018

Language:

english

File:

PDF, 1.25 MB

english, 2018

11

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

Isasi, Iraia, Irusta, Unai, Elola, Andoni, Aramendi, Elisabete, Ayala, Unai, Alonso, Erik, Kramer-Johansen, J, Eftestol, Trygve

Journal:

IEEE Transactions on Biomedical Engineering

Year:

2018

Language:

english

File:

PDF, 1.27 MB

english, 2018

12

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

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

Journal:

Year:

2019

Language:

english

File:

PDF, 2.76 MB

english, 2019

13

Occurrence of shockable rhythm in out-of-hospital cardiac arrest over time: A report from the COSTA group

Oving, Iris, de Graaf, Corina, Karlsson, Lena, Jonsson, Martin, Kramer-Johansen, Jo, Berglund, Ellinor, Hulleman, Michiel, Beesems, Stefanie G., Koster, Rudolph W., Olasveengen, Theresa M., Ringh, Mat

Journal:

Year:

2020

File:

PDF, 1.99 MB

2020

14

Predicting outcome after cardiac arrest: Two caveats

Jo Kramer-Johansen, Kjetil Sunde, Petter Andreas Steen

Journal:

Year:

2005

Language:

english

File:

PDF, 182 KB

english, 2005

15

Reducing no flow times during automated external defibrillation

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

Journal:

Year:

2005

Language:

english

File:

PDF, 499 KB

english, 2005

16

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

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

Journal:

Year:

2005

Language:

english

File:

PDF, 628 KB

english, 2005

17

Advanced cardiac life support before and after tracheal intubation—direct measurements of quality

Jo Kramer-Johansen, Lars Wik, Petter Andreas Steen

Journal:

Year:

2006

Language:

english

File:

PDF, 356 KB

english, 2006

18

Reconfirmation algorithms should be the standard of care in automated external defibrillators

Jo Kramer-Johansen, Kjetil Sunde, Morten Pytte, Lars Wik, Petter Andreas Steen

Journal:

Year:

2006

Language:

english

File:

PDF, 61 KB

english, 2006

19

Haemodynamic effects of adrenaline (epinephrine) depend on chest compression quality during cardiopulmonary resuscitation in pigs

Morten Pytte, Jo Kramer-Johansen, Joar Eilevstjønn, Morten Eriksen, Tævje A. Strømme, Kristin Godang, Lars Wik, Petter Andreas Steen, Kjetil Sunde

Journal:

Year:

2006

Language:

english

File:

PDF, 458 KB

english, 2006

20

Quality of out-of-hospital cardiopulmonary resuscitation with real time automated feedback: A prospective interventional study

Jo Kramer-Johansen, Helge Myklebust, Lars Wik, Bob Fellows, Leif Svensson, Hallstein Sørebø, Petter Andreas Steen

Journal:

Year:

2006

Language:

english

File:

PDF, 166 KB

english, 2006

21

Estimation of the duration of ventricular fibrillation using ECG single feature analysis

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

Journal:

Year:

2007

Language:

english

File:

PDF, 170 KB

english, 2007

22

Pauses in chest compression and inappropriate shocks: A comparison of manual and semi-automatic defibrillation attempts

Jo Kramer-Johansen, Dana P. Edelson, Benjamin S. Abella, Lance B. Becker, Lars Wik, Petter Andreas Steen

Journal:

Year:

2007

Language:

english

File:

PDF, 257 KB

english, 2007

23

Prediction of countershock success using single features from multiple ventricular fibrillation frequency bands and feature combinations using neural networks

Andreas Neurauter, Trygve Eftestøl, Jo Kramer-Johansen, Benjamin S. Abella, Kjetil Sunde, Volker Wenzel, Karl H. Lindner, Joar Eilevstjønn, Helge Myklebust, Petter A. Steen, Hans-Ulrich Strohmenger

Journal:

Year:

2007

Language:

english

File:

PDF, 932 KB

english, 2007

24

Chest compressions by ambulance personnel on chests with variable stiffness: Abilities and attitudes

Silje Ødegaard, Jo Kramer-Johansen, Allan Bromley, Helge Myklebust, Jon Nysæther, Lars Wik, Petter Andreas Steen

Journal:

Year:

2007

Language:

english

File:

PDF, 362 KB

english, 2007

25

Uniform reporting of measured quality of cardiopulmonary resuscitation (CPR)

Jo Kramer-Johansen, Dana P. Edelson, Heidrun Losert, Klemens Köhler, Benjamin S. Abella

Journal:

Year:

2007

Language:

english

File:

PDF, 619 KB

english, 2007

26

Shock outcome is related to prior rhythm and duration of ventricular fibrillation

Joar Eilevstjønn, Jo Kramer-Johansen, Kjetil Sunde

Journal:

Year:

2007

Language:

english

File:

PDF, 737 KB

english, 2007

27

Is CPR quality improving? A retrospective study of out-of-hospital cardiac arrest

Theresa M. Olasveengen, Lars Wik, Jo Kramer-Johansen, Kjetil Sunde, Morten Pytte, Petter A. Steen

Journal:

Year:

2007

Language:

english

File:

PDF, 193 KB

english, 2007

28

Identifying approaches to improve the accuracy of shock outcome prediction for out-of-hospital cardiac arrest

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

Journal:

Year:

2008

Language:

english

File:

PDF, 155 KB

english, 2008

29

Transthoracic impedance changes as a tool to detect malpositioned tracheal tubes

Jo Kramer-Johansen, Joar Eilevstjønn, Theresa Mariero Olasveengen, Ann-Elin Tomlinson, Elizabeth Dorph, Petter Andreas Steen

Journal:

Year:

2008

Language:

english

File:

PDF, 412 KB

english, 2008

30

A method to remove CPR artefacts from human ECG using only the recorded ECG

Sofia Ruiz de Gauna, Jesus Ruiz, Unai Irusta, Elisabete Aramendi, Trygve Eftestøl, Jo Kramer-Johansen

Journal:

Year:

2008

Language:

english

File:

PDF, 1014 KB

english, 2008

31

Arterial blood gases during basic life support of human cardiac arrest victims

Morten Pytte, Elizabeth Dorph, Kjetil Sunde, Jo Kramer-Johansen, Lars Wik, Petter A. Steen

Journal:

Year:

2008

Language:

english

File:

PDF, 130 KB

english, 2008

32

Time used for ventilation in two-rescuer CPR with a bag-valve-mask device during out-of-hospital cardiac arrest

Silje Ødegaard, Magnus Pillgram, Nicolas Erlend Vaugelade Berg, Theresa Olasveengen, Jo Kramer-Johansen

Journal:

Year:

2008

Language:

english

File:

PDF, 388 KB

english, 2008

33

Using within-patient correlation to improve the accuracy of shock outcome prediction for cardiac arrest

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

Journal:

Year:

2008

Language:

english

File:

PDF, 153 KB

english, 2008

34

Quality of CPR during transport of patients after out-of-hospital cardiac arrest

S. Ødegaard, T. Olasveengen, L. Wik, J. Kramer-Johansen

Journal:

Year:

2008

Language:

english

File:

PDF, 48 KB

english, 2008

35

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

K. Gundersen, J.T. Kvaløy, J. Kramer-Johansen, J. Olasveengen, T.M. Eilevstjønn, T. Eftestøl

Journal:

Year:

2008

Language:

english

File:

PDF, 59 KB

english, 2008

36

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

K. Gundersen, J.T. Kvaløy, J. Kramer-Johansen, P.A. Steen, T. Eftestøl

Journal:

Year:

2008

Language:

english

File:

PDF, 58 KB

english, 2008

37

Identifying factors influencing clinical state transitions in cardiac arrest resuscitation

J.T. Kvaløy, E. Skogvoll, T. Eftestøl, K. Gundersen, J. Kramer-Johansen, T.M. Olasveengen, P.A. Steen

Journal:

Year:

2008

Language:

english

File:

PDF, 48 KB

english, 2008

38

Improving countershock success prediction during cardiopulmonary resuscitation using ventricular fibrillation features from higher ECG frequency bands

Andreas Neurauter, Trygve Eftestøl, Jo Kramer-Johansen, Benjamin S. Abella, Volker Wenzel, Karl H. Lindner, Joar Eilevstjønn, Helge Myklebust, Petter A. Steen, Fritz Sterz, Beate Jahn, Hans-Ulrich Str

Journal:

Year:

2008

Language:

english

File:

PDF, 1.33 MB

english, 2008

39

Chest compression quality variables influencing the temporal development of ROSC-predictors calculated from the ECG during VF

Kenneth Gundersen, Jon Nysæther, Jan Terje Kvaløy, Jo Kramer-Johansen, Trygve Eftestøl

Journal:

Year:

2009

Language:

english

File:

PDF, 249 KB

english, 2009

40

The effect of transport on quality of cardiopulmonary resuscitation in out-of-hospital cardiac arrest

Silje Ødegaard, Theresa Olasveengen, Petter Andreas Steen, Jo Kramer-Johansen

Journal:

Year:

2009

Language:

english

File:

PDF, 284 KB

english, 2009

41

Which factors influence spontaneous state transitions during resuscitation?

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

Journal:

Year:

2009

Language:

english

File:

PDF, 536 KB

english, 2009

42

A randomized trial of the capability of elderly lay persons to perform chest compression only CPR versus standard 30:2 CPR

Andres Neset, Tonje S. Birkenes, Helge Myklebust, Reidar J. Mykletun, Silje Odegaard, Jo Kramer-Johansen

Journal:

Year:

2010

Language:

english

File:

PDF, 261 KB

english, 2010

43

Optimal loop duration in asystole and pulseless electrical activity in out-of-hospital cardiac arrest

E. Skogvoll, J.T. Kvaløy, J. Kramer-Johansen, T.M. Olasveengen, K. Gundersen, T. Eftestøl, P.A. Steen

Journal:

Year:

2010

Language:

english

File:

PDF, 86 KB

english, 2010

44

A randomised study of dispatcher instructions for correct hand placement for chest compressions: A pilot study

T.S. Birkenes, H. Myklebust, P. Westnes, J. Kramer-Johansen

Journal:

Year:

2010

Language:

english

File:

PDF, 78 KB

english, 2010

45

Why is compression depth less consistent on humans than on manikins?

S. Brunner, J. Eilevstjønn, S. Ødegaard, J. Kramer-Johansen, H. Myklebust

Journal:

Year:

2010

Language:

english

File:

PDF, 85 KB

english, 2010

46

Can lay people put their mobile phone on speaker function: A pilot study

T.S. Birkenes, H. Myklebust, J. Kramer-Johansen

Journal:

Year:

2010

Language:

english

File:

PDF, 76 KB

english, 2010

47

Stress and CPR quality in a full scale clinical cardiac arrest simulation compared to a traditional test—A randomised trial

A. Neset, T.S. Birkenes, T. Furunes, H. Myklebust, R.J. Mykletun, S. Odegaard, T.M. Olasveengen, J. Kramer-Johansen

Journal:

Year:

2010

Language:

english

File:

PDF, 82 KB

english, 2010

48

Cognitive and emotional coping strategies used during CPR in full scale cardiac arrest simulation—A qualitative analysis of post-test interviews

R.J. Mykletun, A. Neset, T.S. Birkenes, T. Furunes, H. Myklebust, S. Odegaard, T.M. Olasveengen, J. Kramer-Johansen

Journal:

Year:

2010

Language:

english

File:

PDF, 83 KB

english, 2010

49

Distribution of pulmonary ventilation and perfusion measured simultaneously in awake goats

M. N. MELSOM, J. KRAMER-JOHANSEN, T. FLATEBØ, C. MÜLLER, G. NICOLAYSEN

Journal:

Acta Physiologica

Year:

1997

Language:

english

File:

PDF, 498 KB

english, 1997

50

Mechanical chest compressions with trapezoidal waveform improve haemodynamics during cardiac arrest

Jo Kramer-Johansen, Morten Pytte, Ann-Elin Tomlinson, Kjetil Sunde, Elizabeth Dorph, Jan Vegard H. Svendsen, Morten Eriksen, Tævje A. Strømme, Lars Wik

Journal:

Year:

2011

Language:

english

File:

PDF, 259 KB

english, 2011