Aortic Valve Replacement Case Study

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The current American College of Cardiology and American Heart Association guidelines recommend aortic valve replacement as a Class I indication in the following situations in severe aortic stenosis (Figure 3).1
1. Symptomatic patients ( Level of Evidence–B)
2. Asymptomatic patients with severe AS (Class C2) with Ejection Fraction< 50% with decreased systolic opening of a calcified aortic valve and aortic velocity 4.0 meter per second or greater or mean pressure gradient 40 mm Hg or higher (Level of Evidence B)
3. Asymptomatic patients with severe AS (Class C or D) when undergoing cardiac surgery or other indications and aortic velocity 4.0 meter per second or greater or mean pressure gradient 40 mm Hg or higher.
The following are the class

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