Abstract
A 78-year-old man presented with a 1 week history of breathlessness. He had no chest pain, cough, hemoptysis or any other symptoms. Past medical history was unremarkable. Initial examination revealed normal blood pressure, resting tachycardia of 140 beats per minute and type I respiratory failure requiring oxygen (FiO2 of 0.35) to maintain normal oxygen saturation. His chest x-ray showed no evidence of pneumonia or pulmonary edema. Admission ECGs showed ST depression and T wave inversion in the precordial …
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