All cats here at Nakedkitties are scanned yearly by a Board Certified cardiologist. We highly recommend him if you are in Las Vegas
Scott Forney, DVM, DACVIM
University of Georgia

8650 W. Tropicana Avenue, Ste. B-107, Las Vegas, NV 89147

Phone: 702-871-1152

Fax: 702-262-7000

I am currently working on my HCM page. HCM is in all breeds of cats. In the meantime here is a link to my partner catteries HCM page. It also features the board certified cardiologist we both use:

Baremews Sphynx

Here's a link to one of the best pages on HCM.
Citizenkat Sphynx