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Is this patient high-risk?

A 55-year-old female presents with a low-grade fever, a new heart murmur, and Janeway lesions one week following a dental cleaning, and a preliminary diagnosis of infective endocarditis is made. Prophylactic antibiotics are administered prior to dental cleanings to prevent endocarditis in patients considered to be high-risk. Which of the following valvular conditions requires prophylactic antibiotics prior to dental cleanings?

A. Mitral valve prolapse
B. Aortic stenosis
C. Bicuspid aortic valve
D. Prosthetic aortic valve replacement

Find the answer, discuss this case and more on Figure 1.