Angina pectoris (Prinzmetal's angina) - Myocardial infarction (heart attack)
pre-excitation syndrome: Wolff-Parkinson-White - Lown-Ganong-Levine
tachycardia: Paroxysmal - Supraventricular (AV nodal reentrant, Accelerated idioventricular rhythm, Sinus) - Ventricular (Torsades de pointes)
premature contraction: Atrial - Ventricular
flutter/fibrillation: Atrial flutter - Ventricular flutter - Atrial fibrillation (Familial) - Ventricular fibrillation
pacemaker: Wandering pacemaker - Ectopic pacemaker - Parasystole
long QT syndrome: Romano-Ward syndrome - Andersen-Tawil syndrome - Jervell and Lange-Nielsen syndrome
Cor pulmonale