Aortic stenosis
Posted by dkwinter

Severe aortic stenosis diagnostic criteria

  • Required
    • Aortic jet velocity >=4.0 m/s
      • OR
    • Mean transvalvular pressure gradient >=40 mmHg
  • Optional
    • Valve area usually <=1.0cm^2


Indications for valve replacement

  • Severe aortic stenosis plus at least one of the following:
    • Onset of new symptom such as
      • angina
      • syncope
      • exertional dyspnea
    • LVEF <50%
    • Undergoing other cardiac surgery (e.g. CABG)




LVEF=Left Ventricular Ejection Fraction

CABG=Coronary Artery Bypass Grafting