If the posterior leaflet prolapses, the MR jet angle is directed:

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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

If the posterior leaflet prolapses, the MR jet angle is directed:

Explanation:
When the posterior mitral leaflet prolapses, the regurgitant orifice sits toward the posterior aspect of the annulus, so the high-velocity flow exits toward the anterior side of the left atrium. This geometry causes the MR jet to be directed anteriorly on color Doppler. In contrast, anterior leaflet prolapse tends to push the jet posteriorly. Keep in mind that jet direction can vary with imaging view and loading, but the typical pattern is anteriorly directed jet for posterior leaflet prolapse.

When the posterior mitral leaflet prolapses, the regurgitant orifice sits toward the posterior aspect of the annulus, so the high-velocity flow exits toward the anterior side of the left atrium. This geometry causes the MR jet to be directed anteriorly on color Doppler. In contrast, anterior leaflet prolapse tends to push the jet posteriorly. Keep in mind that jet direction can vary with imaging view and loading, but the typical pattern is anteriorly directed jet for posterior leaflet prolapse.

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