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Cardiology Deck 1

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Questions and Answers

What finding is most suggestive of syphilitic aortic regurgitation?

Harsh crescendo-decrescendo murmur at the apex

Mild decrescendo-blowing murmur at the base when standing (correct)

Narrow pulse pressure with a slow-rising carotid pulse

Normal cardiac impulse location

What is the most common cause of the paradoxical splitting of the second heart sound (S2)?

Pulmonary stenosis

Aortic stenosis (correct)

Atrial septal defect

Ventricular septal defect

What is the best single predictor for determining the benefit of heart transplantation?

Cardiac output

Peak oxygen uptake (VO2max) (correct)

Left ventricular ejection fraction

Pulmonary capillary wedge pressure

Which of the following tyrosine kinase inhibitors is associated with an increased risk of atrial fibrillation?

Ibrutinib (used for chronic lymphocytic leukemia or mantle cell lymphoma) Signup and view all the answers

Which of the following is the most appropriate treatment for aortic valve insufficiency?

Angiotensin-converting enzyme inhibitors (ACEIs) or nifedipine Signup and view all the answers

What did the study on the comparative effectiveness of aspirin dosing in cardiovascular disease find?

No significant differences in cardiovascular events or major bleeding between 81 mg and 325 mg of daily aspirin Signup and view all the answers

What is the main concern with warfarin use during the first trimester of pregnancy?

Warfarin embryopathy Signup and view all the answers

What electrocardiographic finding is characteristic of Wolff-Parkinson-White syndrome?

PR interval less than 0.12 seconds (120 milliseconds) Signup and view all the answers

What percentage of patients develop atrial fibrillation as a side effect of radiation therapy to the heart?

0.2 Signup and view all the answers

In which of the following situations should endocarditis prophylaxis be initiated?

History of previous endocarditis Signup and view all the answers