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AR_Surgery Indications
Stress Testing: AR

ECHONOMY
Tools for Echocardiographic Calculations
Muhamed Saric, MD, PhD
New York University
 

Aortic Regurgitation

Reference Values
  Mild
(1+)		 Moderate
(2+)		 Moderate-Severe
(3+)		 Severe
(4+)
Jet Width/LVOT Width <25% 25-45% 46-64% >65%
EROA
(cm2)		 <0.1 0.10-0.19 0.20-0.29 >0.3
Regurgitant Fraction <30% 30-39% 40-49% >50%
Regurgitant Volume (mL) 30 30-44 45-59 >60
Vena contracta (cm) <0.3 0.3 - 0.6 >0.6

Remarks

Notice that regurgitant volumes and fractions are the same for mitral and aortic regurgitation.
 

Calculator

Click here to go to effective regurgitant orifice (EROA) and regurgitant volume calculator.

Reference
ASE 2003 guidelines for the management of patients with valvular heart disease.
J Am Soc Echocardiogr 2003;16:777-802.