81.   He underwent an angioplasty, a procedure that uses a balloon to open a blocked artery, after suffering a heart attack Monday.

82.   He was admitted to Evangelismos hospital in downtown Athens, where he underwent surgery to clear a blocked artery which caused the heart attack, the hospital said.

83.   He said the processed stem cells may be able to re-establish blood flow to hearts failing due to blocked arteries.

84.   In angioplasty, doctors use a catheter to place a balloon inside a blocked artery and then inflate the balloon to collapse the blockage.

85.   In angioplasty, a tiny balloon is inserted into the body to clear a blocked artery.

86.   Jagan had undergone an angioplasty procedure at Walter Reed to clear a blocked artery, but his condition had worsened in recent days.

87.   Jagan underwent an angioplasty procedure at Walter Reed to clear a blocked artery, but his condition had worsened in recent days.

88.   Izetbegovic is suffering from a weak heart caused by blocked arteries.

89.   Jobim had entered the hospital for treatment of blocked arteries, said Brigida Barros, an official at the Brazilian consulate in New York.

90.   Last November, doctors treated Cheney for a mild heart attack by implanting a stent, a little metal scaffolding, to prop open an almost completely blocked artery.