Cardiac complications of influenza infection in 3 adults

摘要

A 57-year-old man was admitted to the coronary intensive care unit with severe pulmonary edema after a 5-day history of influenza-like illness. His medical history included previous tobacco use and a family history of early myocardial infarction. He had received the seasonal influenza vaccine in the fall before presentation.On examination, he was in marked respiratory distress. His temperature was 38.4degC, respiratory rate was 33 breaths/min, and oxygen saturation was 86% on 100% nonrebreather mask. His blood pressure and heart rate were within normal limits. Respiratory examination revealed diffuse bilateral crackles. An electrocardiogram (ECG) taken on admission showed left bundle branch block, and his cardiac troponin I level was 0.77 (normal < 0.07) mug/L.