ACS	Acute coronary syndrome
ALS	Advanced Life Support
CPR	Cardiopulmonary resuscitation
eCDS	Electronic clinical decision support
eCPR	Extracorporeal cardiopulmonary resuscitation
EMS	Emergency medical services
EMTs	Emergency medical technicians
ERC	European Resuscitation Counsil
MAUQ	mHealth App Usability Questionnaire
OHCA	Out-of-hospital cardiac arrest
PE	Pulmonary embolism
POCUS	Point-of-care ultrasound
REBECCA	Reversible causes of out-of-hospital cardiac arrest
ROSC	Return of spontaneous circulation
SOPs	Standard operating procedures
VICAR	Vienna Cardiac Arrest Registry