A 67-year-old woman with lung cancer goes to the ED with shortness of breath that has been worsening for several days. Upon exam the doctor notes the patient has decreased heart sounds and low blood pressure. An ECG shows she has sinus tachycardia, low QRS voltage, and electrical alternans.
Is it pericardial effusion, pneumothorax, pulmonary embolism, or myocardial infarction?
Check out the differential we created in VisualDx. Does it match yours?
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