In MVP, diastolic thickness is greater than ______ mm.

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Prepare for the Ultrasound Registry Review (URR) MV Abnormalities and Disease Test. Enhance your studies with quizzes, flashcards, and detailed explanations. Pass your exam with confidence!

Multiple Choice

In MVP, diastolic thickness is greater than ______ mm.

Explanation:
In MVP, the mitral leaflets become thickened due to myxomatous degeneration, so their size is a key imaging clue. When you measure the leaflet thickness on echo, you do it in diastole; if the diastolic thickness is greater than 5 mm, that thickened leaflet is a characteristic finding supporting MVP. Normal leaflet thickness is typically about 1–3 mm, while 3–5 mm is a gray area that isn’t as diagnostic. Saying there’s no thickness requirement would ignore this characteristic feature. So the diastolic thickness being greater than 5 mm best reflects what’s commonly seen with MVP.

In MVP, the mitral leaflets become thickened due to myxomatous degeneration, so their size is a key imaging clue. When you measure the leaflet thickness on echo, you do it in diastole; if the diastolic thickness is greater than 5 mm, that thickened leaflet is a characteristic finding supporting MVP. Normal leaflet thickness is typically about 1–3 mm, while 3–5 mm is a gray area that isn’t as diagnostic. Saying there’s no thickness requirement would ignore this characteristic feature. So the diastolic thickness being greater than 5 mm best reflects what’s commonly seen with MVP.

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