cardiovascular disease vs heart attack

cardiovascular disease

noun
  • A disease involving the heart or blood vessels, i.e. arteries and veins, such as coronary heart disease. 

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 cardiovascular disease and heart attack occurred in a corpus of books? (source: Google Ngram Viewer )