The A3/P3 scallop corresponds to which region of the mitral valve leaflet?

Prepare for the Ultrasound Registry Review with flashcards and multiple-choice questions on MV abnormalities and diseases. Practice with hints and detailed explanations to confidently take your exam!

Multiple Choice

The A3/P3 scallop corresponds to which region of the mitral valve leaflet?

Explanation:
Mitral valve leaflets are split into three scallops from the outer (lateral) edge toward the septal (medial) side. The scallops are labeled in a way that the third scallop sits closest to the septum. Therefore the A3/P3 scallops correspond to the medial third of their respective leaflets. This naming helps pinpoint where pathology is on imaging, with A3/P3 indicating disease near the septal side rather than the lateral or middle portions.

Mitral valve leaflets are split into three scallops from the outer (lateral) edge toward the septal (medial) side. The scallops are labeled in a way that the third scallop sits closest to the septum. Therefore the A3/P3 scallops correspond to the medial third of their respective leaflets. This naming helps pinpoint where pathology is on imaging, with A3/P3 indicating disease near the septal side rather than the lateral or middle portions.

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