1.sydämen avoleikkaus, jossa tukkeutunut sepelvaltimo ohitetaan verisuonisiirteellä sydämen verenkierron parantamiseksi
1.open-heart surgery in which the rib cage is opened and a section of a blood vessel is grafted from the aorta to the coronary artery to bypass the blocked section of the coronary artery and improve the blood supply to the heart