Margaret Vargas needs to have her mitral valve replaced. Her surgeon will discuss which of the following issues with her before the surgery?

Margaret Vargas needs to have her mitral valve replaced. Her surgeon will discuss which of the following issues with her before the surgery?



A. A mechanical valve will require that she take a "blood thinner" for the rest of her life.


B. A biological valve (usually porcine) will last 10 to 15 years.


C. A mechanical valve increases the risk of blood clots that can cause stroke.


D. All of the above.



Answer: D


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