This document contains medical terms and questions related to cardiology board exams. It discusses cases involving Brugada syndrome, ventricular fibrillation treated with an implantable cardioverter-defibrillator, hyperacute anterior ST elevation myocardial infarction, pericarditis, various arrhythmias including Wolff-Parkinson-White syndrome, ectopic atrial rhythm, junctional rhythm, low voltage ECG, left bundle branch block, ventricular tachycardia, and atrial flutter.