DefinitionBy Mayo Clinic staff
Coronary bypass surgery is a procedure that restores blood flow to your heart muscle by diverting the flow of blood around a section of a blocked artery in your heart. Coronary bypass surgery uses a healthy blood vessel taken from your leg, arm, chest or abdomen and connects it to the other arteries in your heart so that blood is bypassed around the diseased or blocked area. After a coronary bypass surgery, blood flow to your heart is improved. Coronary bypass surgery is just one option to treat heart disease.
Coronary bypass surgery improves symptoms, such as chest pain and shortness of breath due to poor blood flow to the heart. In some situations, coronary bypass surgery may improve your heart function and reduce your risk of dying of heart disease.
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