Effect of leadership and chest compressions on ECG parameters during resuscitation.

<p>Effect of leadership and chest compressions on ECG parameters during resuscitation.</p

Overall and subgroup analysis of ECG parameters.

<p>Overall and subgroup analysis of ECG parameters.</p

Flattened T-wave during resuscitation (above) vs. normal T-wave.

<p>Flattened T-wave during resuscitation (above) vs. normal T-wave.</p

T-inversion before resuscitation (above) vs. normal T-wave.

<p>T-inversion before resuscitation (above) vs. normal T-wave.</p

ST-elevation before resuscitation (above) vs. normal ST-segment Numbers/min denote heart rate per minute.

<p>ST-elevation before resuscitation (above) vs. normal ST-segment Numbers/min denote heart rate per minute.</p

Linear regression analysis of stress measures with hands-on time^*.

<p>Linear regression analysis of stress measures with hands-on time^{<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0198661#t005fn001" target="_blank">*</a>}.</p

Heart rate & HRV before, during and after CPR.

<p>Heart rate & HRV before, during and after CPR.</p

Baseline characteristics of resuscitation teams.

<p>Baseline characteristics of resuscitation teams.</p