ACLS	Advanced cardiac life support.
ACD-CPR	Active compression–decompression cardiopulmonary resuscitation
ACD-ITD	Active compression–decompression—impedance threshold device.
AHUP-CPR	Automated head-up position—cardiopulmonary resuscitation.
AMC	Area of maximal compression.
CPR	Cardiopulmonary resuscitation.
CO2	Carbon dioxide.
DBP	Diastolic blood pressure.
eCPR	Extracorporeal cardiopulmonary resuscitation.
ETCO2	End-tidal carbon dioxide.
IAC	Interposed abdominal compressions.
ITD	Impedance threshold device.
LV	Left ventricle.
LVOT	Left ventricular outflow tract.
NIRS	Near-infrared spectroscopy.
OHCA	Out-of-hospital cardiac arrest.
ROSC	Return of spontaneous circulation.
rSO2	Regional cerebral oximetry.
TEE	Transesophageal echocardiogram.
TTE	Transthoracic echocardiogram.
VA-ECMO	Venoarterial extracorporeal membrane oxygenation.
VF	Ventricular fibrillation.