Validity of a 5-minute focused echocardiography with A-F mnemonic performed by non-echocardiographers in the management of patients with acute chest pain

Table 2 Demographic and clinical characteristics of the study population

Characteristic	Value
Age (years)	67 ± 12, 32
Male sex, n (%)	858 (65,39)
CCS class	3,38 ± 0,73
NYHA class	1,64 ± 0,97
Concomitant diagnosis, n (%):
Prior myocardial infarction	268 (20,43)
Prior PCI	257 (19,59)
Prior CABG	70 (5,34)
Prior AVR	12 (0,91)
Pre-hospital cardiac arrest, n (%)	76 (5,79)
ECG changes at admission, n (%):
ST depression	742 (56,55)
ST elevation	490 (37,35)
Q/QS complex	213 (16,23)
Negative T-waves	161 (12,27)
LBBB	49 (3,73)
Other	167 (12,73)
hs TnT (ng/ml)	0,41 ± 0,86
CPK (U/l)	452,96 ± 2256,02
CM-MB (U/l)	40,86 ± 54,23

PCI-percutaneous coronary intervention; CABG-coronary artery bypass grafting; AVR-aortic valve replacement; LBBB-left bundle branch block; hs TnT-high sensitivity troponin T; CPK-creatine kinase; CK-MB-cardiac isoenzyme of creatine kinase.