When should patients with asymptomatic aortic stenosis be evaluated for valve replacement?
Meadows, Susan E.
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For patients whose echocardiograms show advanced calcification of the aortic valves, a jet velocity of > 4.0 m/s, or a progression in jet velocity of 0.3m/s/year; and for patients who have an abnormal exercise response or an impaired functional status, consider referral for valve replacement prior to the onset of symptoms (Grade of Recommendation: C).
Clinical Inquiries, 2002 (MU)