MITRAL REGURGITATION DIAGNOSTIC ECHOCARDIOGRAPHY
Diagnostic criteria are as follows:
- Perloff et al set the stage for accurately diagnosing mitral valve prolapse (MVP) by expanding the diagnostic standards to include clinical and echocardiographic criteria.
- In a Framingham Heart Study, Freed et al historically described echocardiographic criteria for MVP as classic versus nonclassic (see below).
- Use of the parasternal long-axis view reduce the over diagnosis of MVP.
Findings are as follows:
- Classic MVP: The parasternal long-axis view shows > 2 mm superior displacement of the mitral leaflets into the left atrium during systole, with a leaflet thickness of at least 5 mm.
- Nonclassic MVP: Displacement is > 2 mm, with a maximal leaflet thickness of < 5 mm.
- Other: Other echocardiographic findings that should be considered as criteria are leaflet thickening, redundancy, annular dilatation, and chordal elongation.
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