A 30-Year-Old Amn Is Brought to the Emergency Departments Due

A 30-year-old amn is brought to the emergency departments due to progressive dyspnea. His wife says that he has upper respiratory tract infection which resolved a week ago and he doesn't feel well after that due to chest discomfort and dizziness. He has no prior medical conditions and takes no medications. He has no family history of cardiovascular disease. Echocardiography shows pericardial fluid accumulation with late diastolic collapse of the right atrium. Which of the following physical examination findings is most likely to be seen in this patient?

A) Beat-to-beat variation in pulse amplitude
B) Drop in pulse amplitude during inspiration
C) Pulse with 2 distinct peaks
D) Rapidly rising pulse with high amplitude
E) Slow-rising low-amplitude pulse

Correct Answer:

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