Dysrhythmias

A 68-year-old man is brought in by his wife after his third collapse in a month. Each time he has been sitting watching television, has suddenly gone grey and s…

Clinical rotations · middle twist

A 15-year-old boy is being cleared to play club rugby. He has never had chest pain, palpitations, breathlessness out of proportion to exertion or blackouts, and…

Pre-internship · middle twist

A 79-year-old woman is brought in drowsy and clammy after two episodes of collapse at home. The monitor shows complete heart block with a ventricular rate of 34…

Pre-internship · middle twist

A 59-year-old woman is admitted after vomiting for two days and taking sotalol for recurrent atrial fibrillation. She has several brief episodes of faintness as…

Clinical rotations · common

A 71-year-old man is monitored after an inferior ST-elevation myocardial infarction. He becomes dizzy but remains conscious; the ECG shows regular P waves at 84…

Clinical rotations · common

A 48-year-old woman taking sotalol for paroxysmal atrial fibrillation has two brief episodes of collapse. The ECG monitor records recurrent bursts of polymorphi…

Mechanisms of disease · common