A 68-year-old man presents for a screening ultrasound scan. He has been feeling well and is in his usual state of good health. His medical history is notable for mild hypertension and a 100-pack-year tobacco history. He has a blood pressure of 128/86 and heart rate of 62/min. Physical examination is clear lung sounds and regular heart sounds. On ultrasound, an infrarenal aortic aneurysm of 4 cm in diameter is identified. Which of the following is the best initial step for this patient?
AReassurance
BBeta-blockers
CUrgent repair
DSurveillance
EElective repair
A 67-year-old man with type 2 diabetes mellitus comes to the emergency department because of lightheadedness over the past 2 hours. He reports that he has had similar episodes of lightheadedness and palpitations over the past 3 days. His only medication is metformin. His pulse is 110/min and irregularly irregular. An ECG shows a variable R-R interval and absence of P waves. The patient undergoes transesophageal echocardiography. During the procedure, the tip of the ultrasound probe is angled posteriorly within the esophagus. This view is most helpful for evaluating which of the following conditions?
AMyxoma in the left atrium
BThrombus in the left pulmonary artery
CThrombus in the left ventricular apex
DTumor in the right main bronchus
EAneurysm of the descending aorta
A 62-year-old woman comes to the physician because of a 2-month history of exertional shortness of breath and fatigue. She sometimes wakes up at night coughing and gasping for air. Cardiac examination shows a grade 3/6 holosystolic murmur best heard at the apex. Which of the following physical exam findings would be consistent with an exacerbation of this patient's condition?
AHead bobbing
BEarly diastolic extra heart sound
CProminent V wave
DRadiation of the murmur to the axilla
EAbsence of A2 heart sound
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