OHCA	out-of-hospital cardiac arrest
ROSC	return of spontaneous circulation
CPR	cardiopulmonary resuscitation
EMS	emergency medical services
PEA	pulseless electrical activity
faPEA	pulseless electrical activity with favorable evolution
unPEA	pulseless electrical activity with unfavorable evolution
VF	ventricular fibrillation
ECG	electrocardiogram
TI	thoracic impedance
ICC	impedance circulation component
RF	random forest
LR	logistic regression
SVM	support vector machine
AUC	area under the curve
BAC	balanced accuracy
Se	sensitivity
Sp	specificity