coronary thrombosis vs heart attack

coronary thrombosis

noun
  • Thrombosis of a coronary artery, that is, a blockage, caused by a blood clot, of the blood flow in a coronary artery of the heart, leading to myocardial infarction. 

heart attack

noun
  • 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. 

  • Death or failure. 

How often have the words coronary thrombosis and heart attack occurred in a corpus of books? (source: Google Ngram Viewer )