1.   Adams uses standard instruments to detach one end of a healthy artery beneath the ribs and stitch it to a blocked heart artery to restore the blood supply.

2.   Bullock underwent an angioplasty operation Tuesday to open a blocked heart artery.

3.   He had a blocked heart valve.

4.   Researchers are administering it to patients with blocked heart arteries to encourage new blood vessels to grow.

5.   The sharp pain of angina is caused when blocked heart arteries reduce blood flow to the organ, lessening its oxygen supply.

6.   Finally, he sews the mammary artery to the third blocked heart artery.

7.   Red Wings coach Scotty Bowman underwent a procedure on Thursday to unclog a blocked heart artery.

8.   The triple or quadruple bypass to repair blocked heart arteries could take six to eight hours, after which Yeltsin will resume his powers, according to the Kremlin.