A 46-year-old woman presents after two syncopal episodes associated with palpitations. She reports feeling a rapid heart rate before losing consciousness. She has a few witnessed episodes in the emergency…
A 53-year-old woman presents to the emergency department with shortness of breath. The following ECG is obtained:
A 55-year-old man presents to the ED after a witnessed seizure and is somnolent on arrival. He wakes up enough to mumble answers to a few questions but then becomes…