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  Angina c omes from the Latin Angere , which means to strangle and P ectoris comes from Pectus means chest so angina pectoris loosely translates to " strangling of the chest . which actually makes sense because angina pectoris is caused by reduced blood flow which causes ischemia to the heart muscle or lack of oxygen to heart almost like the heart being strangled which causes terrible chest pain.                                  key terms  what is angina types of angina  pathophysiology of angina pectoris how to diagnose angina pectoris treatment for angina pectoris Definition: Angina is chest pain or discomfort caused by a lack of oxygen -rich blood to your heart muscle. In your chest, you may feel pressure or a squeezing sensation. In addition to your shoulders, arms, neck, mouth, belly , and back, you may experience discomfort in your shoulders, arms, neck, jaw, abdomen , and back . Angina pain might mimic the symptoms of dyspepsia. Furthermore, some persons do not ex