MR: Quantification (Volumetric)

The global unit selector only affects unanswered questions
1.Annulus Diameter?
2.LV Outflow Tract Diameter?
3.VTI of the Mitral Valve?
4.VTI of the LV Outflow Tract?
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1. Annulus Diameter?

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Oh J, Seward JB, Tajik AJ.

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

Enriquez-Sarano M et al.

Effective mitral regurgitant orifice area: clinical use and pitfalls of the proximal isovelocity surface area method.

Journal of the American College of Cardiology 1995 March 1, 25 (3): 703-9

Utsonomiya T et al.

Doppler color flow “proximal isovelocity surface area” method for estimating volume flow rate: effect of orifice shape and machine factors. JACC 1991; 17; 1103

Zoghbi WA et al.

Recommendations for evaluation of the severity of native valvular regurgitation with two-dimensional Doppler Echocardiography.

Journal of the American Society of Echocardiography 2003, 16 (7): 777-802

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