Case The patient is a 73-year-old male smoker who complains that he has had intermittent palpitations for the past 2 weeks. He denies chest pain, diaphoresis, fever, or dizziness. He uses home oxygen, 2 L/min, but denies any new shortness of breath. Upon exam, you find: General: Alert and oriented x 3 Lungs: Scattered minimal wheezing, which is symmetric Cardiovascular: Regular and tachycardic without murmur, rub, or gallop Abdomen: Soft and nontender without rigidity, rebound, …
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