Resolution of Apparent Discrepancies in Measures of Aortic Stenois Severity






















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Jun 12, 2016 | Posted by in CARDIOLOGY | Comments Off on Resolution of Apparent Discrepancies in Measures of Aortic Stenois Severity

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AS velocity >4 m/s and AVA > 1.0 cm2
1. Check LVOT diameter measurement and compare with previous studiesa
2. Check LVOT velocity signal for flow acceleration
3. Calculate indexed AVA when
   a. Height is < 165 cm (5′5″)
   b. BSA < 1.5 m2
   c. BMI <22 (equivalent to 55 kg or 120 lb at this height).
4. Evaluate AR seventy
5. Evaluate for high cardiac output