Table 2.

ECG Findings and Further Invasive and Noninvasive Diagnostic and Therapeutic Procedures in STEMI Patients From the RENASICA II Study (N =  4555)

Variable	Relative Frequency (%)
ECG findings
RBBB	7
LBBB	5
First‐degree AV block	2
Second‐degree AV block	2
AF	3
SVT	1
Ventricular extrasystoles	3
Ventricular tachycardia	1
Ventricular fibrillation	1
Invasive procedures
Coronary angiography	44
Angioplasty	27
CABG	4
Transitory pacemaker	9
Permanent cardiac pacing	0.4
Mechanical ventilation	7
Swan‐Ganz monitoring	5
IABP	3
VAD	0.2
Noninvasive procedures
TTE	47
Stress test	8
Cardiac CT scan	6
Noninvasive ventilation	2
TEE	2
Stress ECG	1

Abbreviations: AF, atrial fibrillation; AV, atrioventricular; CABG, coronary artery bypass grafting; CT, computed tomography; ECG, electrocardiogram/graphic; IABP, intra‐aortic balloon counterpulsation; LBBB, left bundle branch block; RBBB, right bundle branch block; RENASICA II, Registro Nacional de Síndromes Coronarios Agudos II; STEMI, ST‐elevation myocardial infarction; SVT, supraventricular tachycardia; TEE, transesophageal echocardiogram; TTE, transthoracic echocardiogram; VAD, ventricular assist device.