Key Points Definition & Clinical Relevance The QT interval spans from the start of the Q wave to the end of the T wave, encompassing total ventricular depolarization and repolarization….
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…