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ECHONOMY
Tools for Echocardiographic Calculations

Muhamed Saric, MD, PhD
New York University

 

MS - PISA

Purpose

To calculate mitral valve area using the proximal isovelocity surfaface area (PISA) method (also known as flow convergence method).

Technical Hints

PISA method calculates effective orifice area irrespective whether the orifice is stenotic, regurgitant of otherwise. To calculate aortic valve area PISA use general PISA method by clicking here.