http://www.icliniq.com/qa/heart-problem/is-it-dangerous-to-have-sexual-intercourse-with-a-heart-problem?ref=bXFoYmh4VUk4TG9jZ0pIYk1UaVBGMzFBR2FYSlNFVDFXVDZqNFJ4WVVlcz0=