Recent Question

(M2.PL.2) A 68-year-old woman underwent hip replacement surgery two weeks ago. The post-operative period was complicated by a pneumonia, and the patient has been bed-ridden ever since. A nurse calls you to the patient's room due to vital sign abnormalities and complaints of chest pain. The patient's HR is 105 bpm, BP is 90/60 mmHg, RR is 35 rpm, and T is 100.2F. You note jugular venous distension and profound dyspnea. You are concerned for a massive pulmonary embolism. If you are correct, which of the following ECG changes would most support a diagnosis of pulmonary embolism? Topic Review Topic

1. ST segment elevations in leads II, III, aVF with ST segment depressions in leads 4, 5, and 6.
2. ST segment elevations in all leads with diffusely low amplitude
3. Left axis deviation and an S in V3 plus R in aVL > 20 mm
4. New onset right bundle branch block
5. New onset left bundle branch block

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