Syncope

1: Reflex syncope Neuro-cardiogenic (vaso-vagal), carotid sinus syndrome, situational (micturition)

2: Cardiogenic Arrhythmias
– Tachyarrhythmia: WPW (especially with Afib), Brugada, Long QT syndrome,
– Bradyarrhythmia: Second degree AV Block Mobitz II, Third degree AV block, Sick sinus syndrome
– Structural heart disease (HOCM, LVOT obstruction, Aortic stenosis, Intracardiac tumor: Myxoma

3: Orthostatic