They were composed of coronary aneurysm (26%), arrhythmias (20.5%), tachycardia (19.8%), low ejection fraction (15%), valvar regurgitation (8.2%), cardiomegaly (4.1%), pericardial effusion (4.1%), ST-T change (2.7%), cardiac failure (2.7%), cardiogenic shock (1.3%), low - voltage on ECG (1.3%).