AR: Regurgitant Orifice (PISA)

Measure effective regurgitant orifice by PISA

Questions

1.Proximal Isovelocity Hemispheric Radius from the Orifice?

2.Aliasing Velocity at Radial Distance r?

References

Robert O Bonow, Blase A Carabello et al.

ACC/AHA 2006 Guidelines for the Management of Patients With Valvular Heart Disease: A Report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (Writing Committee to Revise the 1998 Guidelines for the Management of Patients With Valvular Heart Disease): Developed in Collaboration With the Society for Cardiovascular Angiography and Interventions: Endorsed by the Society of Cardiovascular Anesthesiologists and the Society of Thoracic Surgeons.

Circulation 2006 August 1, 114 (5): e84-231

Oh J, Seward JB, Tajik AJ.

The Echo Manual 3rd edition. Lippincott, Williams, Wilkins. 2007

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1. Proximal Isovelocity Hemispheric Radius from the Orifice?

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