|Ideal Echo Features||Challenging Echo Features||Relative Echo Contraindications|
|Location of pathology|
|Mitral valve area/gradient|
|Grasping zone Length|
Adapted from Hahn (96).
Note: Transcatheter edge-to-edge clip repair is approved for use in the United States only for patients with primary MR, severe symptoms, and high or prohibitive operative risk.
BSA = body surface area; EROA = effective regurgitant orifice area; HOCM = hypertrophic obstructive cardiomyopathy; MAC = mitral annular calcification.