Heart bypass, also known as coronary artery bypass grafting (CABG), can be a lifesaving surgical procedure for individuals with severe heart disease. However, there are many synonyms for "heart bypass" that you may come across. These include coronary bypass, cardiac bypass surgery, open-heart surgery, and arterial bypass surgery. All of these terms refer to the same procedure, which involves rerouting blood flow around a blocked or damaged artery to improve blood flow to the heart. Doctors may use different terminology depending on the specific context or audience, but it's important for patients to understand that these terms all describe the same basic procedure.