Coronary heart disease or Illness artherosclerotique or heart attack.

There is a balance between the oxygen supply and the oxygen supply of the heart muscle.

The pain ischemic cardiac origin appears when the demand for oxygen exceeds the oxygen supply to the heart muscle.

The following factors increase the oxygen requirements : the physical exertion, fever, anxiety/stress, the use of cocaine, hyperthyroidism...

The following factors will decrease the oxygen supply to the heart muscle : anemia, hypoxia, aortic stenosis...

The risk factors : HYPERTENSION, diabetes, Smoking, Cholesterol, Obesity, family history of a heart arterosclerothique.