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…
Key Points Definition: The QT interval reflects the time it takes for total ventricular depolarization and repolarization (Q wave onset to T wave end). Clinical Relevance: QT prolongation increases the…
A 52-year-old woman presents to the emergency department with severe malaise and the following ECG is obtained:
A 64-year-old man with history of pulmonary embolism (on apixaban) presents to the ED with shortness of breath and lower extremity edema. He also reports mild headache and is noted…