13th March 2024

A 17-year-old male presents with worsening shortness of breath over the past few weeks.

A 17-year-old male presents with worsening shortness of breath over the past few weeks. On further questioning he describes a sore throat prior to the onset of his current symptoms. He did not seek medical attention at the time, and it resolved spontaneously. He also reports increasing stiffness and pains affecting his knees and shoulders. You note an annular rash over his trunk and suspect rheumatic fever. An echocardiogram is performed, which shows regurgitation affecting multiple valves.
In rheumatic fever, which valves are most commonly affected?

Select the SINGLE most appropriate option from the list below. Select ONE option only.