Echocardiographic phases of chronic aortic regurgitation

	Compensated	Transitional	Decompensated*
Dimensions
End-diastolic dimension (mm)	<60	60 to 70	>75
End-systolic dimension (mm)	<45	45 to 50	>55
Volumes
End-diastolic volume (mL/m²)	<120	130 to 160	>170
End-systolic volume (mL/m²)	<50	50 to 60	>60
Left ventricular function
Ejection fraction (percent)	>55	51 to 55	≤50
Fractional shortening (percent)	>32	30 to 31	<29

Patients with intermediate values between transitional and decompensated disease (end-diastolic dimension 70 to 75 mm and end-systolic dimension 50 to 55 mm) can be referred for exercise testing. Those with an abnormal response are referred for valve replacement, while those with a normal response to exercise are closely monitored.

* Patients with decompensated aortic regurgitation are referred for aortic valve replacement. Lower threshold values can be considered in patients of small stature.

Graphic 69635 Version 3.0

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Echocardiographic phases of chronic aortic regurgitation