 - ECG findings suggestive of arrhythmias without proper cardiac evaluation to in- or exclude this possibility. According to European Society of Cardiology ESC guidelines on syncope the following ECG findings will be used: bifascicular block and other intraventricular conduction abnormalities, asymptomatic inappropriate sinus bradycardia 50 bpm, sinoatrial block or sinus pause 3s in the absence of negative chronotropic medications, non-sustained VT, pre-exited QRS complexes, prolonged or short QT interval, Brugada pattern, pattern suggestive of arrhythmogenic right ventricular cardiomyopathy. 