#heart_disease__heartdisease__heart_condition__heartcondition__cardiopathy  a disease of the heart
  supertype:  #cardiovascular_disease  a disease of the heart or blood vessels
  subtype:  #angina_pectoris__angina  a heart condition marked by paroxysms of chest pain due to reduced oxygen to the heart
  subtype:  #cardiac_arrhythmia__cardiacarrhythmia__arrhythmia  an abnormal rate of muscle contractions in the heart
     subtype:  #flutter  abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result in heart block
     subtype:  #gallop_rhythm__cantering_rhythm__canteringrhythm  cardiac rhythm characterized by the presence of an extra sound; can indicate a heart abnormality
     subtype:  #atrial_fibrillation  fibrillation of the muscles of the atria of the heart
     subtype:  #bradycardia  abnormally slow heartbeat
     subtype:  #heart_block__Adams-Stokes_syndrome__Stokes-Adams_syndrome__atrioventricular_block  recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat
     subtype:  #premature_ventricular_contraction__prematureventricularcontraction__pvc  irregularity of cardiac rhythm; recurrent occurrences can be a precursor of ventricular fibrillation
     subtype:  #tachycardia  abnormally rapid heartbeat (over 100 beats per minute)
     subtype:  #ventricular_fibrillation__ventricularfibrillation  fibrillation of heart muscles resulting in interference with rhythmic contractions of the ventricles and possibly leading to cardiac arrest
  subtype:  #cardiomyopathy__myocardiopathy  a disorder (usually of unknown origin) of the heart muscle (myocardium)
     subtype:  #hypertrophic_cardiomyopathy  a disorder in which the heart muscle is so strong that it does not relax enough to fill with the heart with blood and so has reduced pumping ability
  subtype:  #heart_failure__heartfailure__coronary_failure  inability of the heart to pump enough blood to sustain normal bodily functions
     subtype:  #congestive_heart_failure  inability to pump enough blood to avoid congestion in the tissues
     subtype:  #heart_attack__heartattack  a sudden severe instance of abnormal heart function
  subtype:  #valvular_heart_disease  heart disease caused by stenosis of the cardiac valves and obstructed blood flow or caused by degeneration and blood regurgitation
     subtype:  #aortic_stenosis  abnormal narrowing of the aortic valve
     subtype:  #mitral_valve_prolapse  cardiopathy resulting from the mitral valve not regulating the flow of blood between the left atrium and left ventricle of the heart
     subtype:  #mitral_stenosis__mitral_valve_stenosis  obstruction or narrowing of the mitral valve (as by scarring from rheumatic fever)
  subtype:  #rheumatic_heart_disease__rheumaticheartdisease  heart disease caused by recurrent episodes of rheumatic fever; characterized by changes in the myocardium or scarring of the heart valves that reduce the power of the heart to pump blood

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