Coronary Bypass Surgery is a procedure that restores the blood flow to the heart muscle by diverting the flow of blood around a section of a blocked artery in the heart. Coronary or heart bypass surgery can relieve chest pain. In the surgery the surgeon uses a blood vessel from the leg, arm, or chest to bypass a narrowed section of a coronary artery.

Coronary Bypass Surgery is a type of open-heart surgery used to treat one or more blockages in the heart arteries. When the blockages in the heart arteries have been found and restricting the flow of oxygenated blood to the heart. These blockages can cause symptoms such as chest pain, fatigue, shortness of breath and nausea, among others. These blockages can also cause a heart attack or other damages to the heart muscle.
Risks of Coronary Bypass Surgery

Likewise with any open-heart surgery, heart bypass surgery carries risks. Later innovative headways have enhanced the methodology, expanding the odds of a fruitful surgery. There is still a risk for some complications after surgery. These complications could include :

Bleeding
Arrhythmia
Blood clots
Chest pain
Infection

Kidney failure
Low-grade fever
Temporary or permanent memory loss
Heart attack or stroke