heart failure vs infarct

heart failure

noun
  • The chronic inability of the heart to pump a sufficient amount of blood throughout the body, leading to a pooling of blood and shortness of breath. 

  • The cessation of the heartbeat; cardiac arrest. 

infarct

noun
  • An area of dead tissue caused by a loss of blood supply; a localized necrosis. 

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