A 78-year-old woman called EMS for palpitations and mild chest pressure. She was shocked 4 times prior to arrival for a wide complex tachycardia and waxing and waning mental status…
A 45-year-old woman presents with 1 week of frequent palpitations. She reports mild dyspnea and lightheadedness without any associated chest pain. She denies using caffeine, alcohol or illicit drugs. Family…