#heart_attack__heartattack  a sudden severe instance of abnormal heart function
  supertype:  attack  heart_failure
  part:  coronary_thrombosis__coronary  obstruction of blood flow in a coronary artery by a blood clot (thrombus)
  part:  myocardial_infarction__myocardial_infarct__MI  destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle

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