Can an angiogram trigger a heart attack?

Unlikeley: The risk of angiograms are more likely renal insufficiency (worsening kidney function) or an allergic reaction. The only time somebody could possibly get a heart attack from an angiogram would be during a coronary angiogram (taking pictures of the arteries in the heart). If the blood flow to the heart muscles is interrupted by a catheter or wire, this could cause a heart attack. This is unlikely.

Yes: Yes a one in five hundred chance of a heart attack, stroke or death.

Yes: Stress from any procedure can cause heart attack.