Cardiology

MD IQ

ECG Challenge

This Evaluation Is a Heart-stopper

A 79-year-old man presents for preoperative evaluation with extensive symptomology: worsening shortness of breath, dyspnea on exertion, chest...

ECG Challenge

When “Different” Is Not OK

For four days, a 66-year-old man has been short of breath. He has a history of hospitalizations due to his congestive heart failure, but this time...

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