coronary thrombosis vs myocardial infarct

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. 

myocardial infarct

noun
  • Synonym of myocardial infarction 

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