Last updated on: June 23rd, 2022

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You’re looking at an interactive case study from Prognosis: Your Diagnosis (one of four distinct learning formats available in Clinical Odyssey). Try it out, and have fun improving your clinical skills.

Out of comfort 2


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A 44-year-old man presents with dyspnea and chest discomfort for two weeks. These symptoms have markedly worsened over the last four days. There is no history of paroxysmal nocturnal dyspnea or orthopnea. No other symptoms are present. His medical, surgical, and family histories are unremarkable. He only drinks socially and does not smoke. An ECG is obtained. This shows a rate of 106 bpm with a regular rhythm. All leads have low voltage QRS complexes with electrical alternans.

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