Table 2.

Main electrocardiographic findings of SARS-CoV-2 patients.

	n = 324
Rhythm
Sinus rhythm	304 (93.8%)
Atrial fibrillation/flutter	20 (6.2%)
Heart rate, b.pm.	82.4 ± 18
cQT interval, ms	407 ± 29
Prolonged cQT interval	18 (5.6%)
AV conduction
First-degree AV block	21 (6.9%)
Intraventricular conduction
Left bundle branch block	6 (1.9%)
Right bundle branch block	25 (7.7%)
Premature supraventricular complexes	11 (3.6)
Premature ventricular complexes	13 (4%)
ST-segment/T wave abnormalities
ST-segment depression ≥0.5 mm	17 (5.3%)
ST-segment depression ≥1 mm	4 (1.3%)
T-wave inversion ≥1 mm	13 (4.1%)
Abnormal Q/QS waves	14 (4.4%)
Any ECG abnormality	120 (37%)

AV, atrioventricular; cQT, corrected QT.