A 52-Year-Old Man Is Brought to the Emergency Department Because

A 52-year-old man is brought to the emergency department because of worsening shortness of breath for 6 hours. For the past 5 days, he has had intermittent stabbing pain in the middle of his chest that worsens with lying down or taking deep breaths. He has also had a runny nose and a dry cough for the past 2 weeks. Other medical history is unremarkable.  The patient is a lifetime nonsmoker and has no family history of early-onset heart attack, sudden death, or cardiomyopathy.  Blood pressure is 120/70 mm Hg and pulse is 110/min and regular.  Which of the following physical examination findings is most expected in this patient?

A) Friction rub
B) Kussmaul sign
C) Pericardial knock
D) Pulsus paradoxus
E) S3

Correct Answer:

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