Angina Pectoris

Angina Pectoris is defined as Acute pain in the chest resulting from decreased blood supply to the heart muscle (myocardial ischemia).  A syndrome  due  to  myocardial oxygen deficit, characterized by prolonged substernal, thoracic pain which is precipitated chiefly by emotion, exercise, or the ingestion of a heavy meal.  It is caused by a temporary inability of the coronary arteries to supply sufficient blood to the heart muscle.