The following is an excerpt....
BASICS
Aortic Stenosis (as)
Description
- Severity of aortic stenosis is related to aortic valve area:
- Normal aortic valve area ~3.0–4.0 cm2
- Mild AS: >1.5 cm2
- Moderate AS: 1.0–1.5 cm2
- Severe AS: <1.0 cm2
- In patients with a larger body habitus, the same valve area may
result in a more significant limitation to ventricular outflow than that seen
in a smaller individual. Some experts recommend normalizing aortic valve area
per meter squared of body surface area.
- The timing of surgery is based on symptoms of angina, syncope,
heart failure, or degree of critical narrowing of the valve.
Aortic Regurgitation (Ar)
Description
Qualitative assessment of severity by cardiac catheterization depends
on regurgitation of ...
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