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Angina pectoris - Definition


Angina pectoris is a coronary affliction, linked to an imbalance between the supply of oxygen and the demands of the heart. Angina pectoris is generally due to an obstruction of the coronary arteries or to a drop in the blood output. In the initial stages, chest pain only occurs during physical effort in the form of a squeezing sensation and stops when the effort has ended. If the obstruction of the coronaries intensifies, the symptoms can occur while at rest. Angina pectoris can be a precursor of a myocardial infarction. The risk factors are advanced age, obesity, smoking, diabetes, high cholesterol, and high blood pressure. The treatments for angina pectoris can initially be medicinal, but in the advanced stages, angioplasty or coronary bypass become essential.