viagra The possibility of having difficulties an serious myocardial infarction during love-making is multiplied by 1 ) 5 95% CI 1 . 7-3. six with respect to the risk outside sexual intercourse, in healthier men through 2 . 9 95% CI 1, 3-6. 5 in patients having a history of heart attack. Sildenafil is a discerning inhibitor of enzyme known as phosphodiesterase type 5 that, although it produces vasodilation, is not useful in the treatment of amígdala pectoris. Over 10 years ago the Food and Drug Operations of the United States of America FOOD AND DRUG ADMINISTRATION (FDA) was smart of 69 deaths of patients working with Sildenafil, two of them because of stroke and 46 due to some other heart event. Not yet go through sexual euthanasia, as a friend says.