Vice President Cheney has had a new heart defibrillator installed with new batteries included. A spokeswomen at the hospital stated "The device was successfully installed without complications".
Defibrillators produce a electrical shock to the heart if there is abnormal rhythm beats. His doctors had stated during his last check up that the batteries were wearing down since the year 2001 installation. [SN reported]
It is also reported that he is taking blood thinning medications for a blood clot in his leg. He is one of President Bush´s closest advisors.