heart attack

noun3

1. •
   An acute myocardial infarction, sometimes fatal, caused by the sudden occurrence of coronary thrombosis, which obstructs the blood supply to the heart and leads to necrosis of heart muscle tissue.
2. •
   (figurative) A major fright.

   • She'll have a heart attack when she sees that!
3. •
   (figurative) Death or failure.

   • My computer had a heart attack when I tried to get it to run that program.