Cheney treated for heart abnormality
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10/15/2008 -
WASHINGTON — Vice President Dick Cheney was treated "without complication" Wednesday for an abnormal heartbeat, his office said, making a short visit to a hospital to restore his normal rhythm with an electric shock.It was the second time in less than a year that Cheney, a 67-year-old with a history of four heart attacks, had experienced and been treated for an atrial fibrillation, an abnormal rhythm involving the upper chambers of the heart. The episode caused the vice president to cancel his attendance at a political campaign event in Illinois.
Sensing a problem early Wednesday, Cheney saw the White House physician, who discovered the vice president was experiencing a recurrence of the irregular heartbeat. Cheney participated in regular morning briefings with President Bush, among other duties, and remained working at the White House until he went to George Washington University Hospital in the afternoon for treatment.
The process took nearly two hours, after which Cheney went home, said Megan Mitchell, a Cheney spokeswoman.
"An electrical impulse was delivered to restore the heart to normal rhythm," she said. "The procedure went smoothly and without complication."
Cheney told Bush of his condition. The president responded "like he would with any friend," said spokesman Tony Fratto, by wishing the vice president well and telling him to "go and make sure the doctors do what they need to do."
Later, in Ada, Mich., Bush told reporters that Cheney is "going to be fine."
"He said he was confident, the doctors are confident, and therefore I'm confident," Bush said.
Cheney also experienced atrial fibrillation in November 2007, and doctors also administered an electrical shock then in a treatment that took about 2 1/2 hours. That irregular heartbeat was discovered while White House doctors were treating the vice president for a lingering cough from a cold.
Dr. Zayd Eldadah, director of cardiac arrhythmia research at Washington Hospital Center, said it's not unusual for Cheney to have another such episode. An estimated 2.8 million Americans have atrial fibrillation, the most common type of irregular heartbeat and one that is not life-threatening in itself.
"This kind of rhythm problem generally does keep coming back over time," said Eldadah, who is not involved in Cheney's care. "The natural history of atrial fibrillation in people who have heart disease and are older is that it keeps coming back, and generally comes back more frequently."
The main risk from atrial fibrillation is not that Cheney will have another heart attack, but that he eventually could have a stroke if the rhythm problem is not treated.
Atrial fibrillation causes the upper chambers of the heart to quiver, instead of pump. As a result, some blood can pool in the heart. When blood settles, it tends to clot. And if those clots are then pumped out to the body, they can lodge in tiny blood vessels in the brain and cause a stroke.
The procedure Cheney underwent Wednesday is like resetting a computer, Eldadah explained. It involves sedation, and then an electrical charge delivered to the heart. "The heart will be turned off and on to reset it," said Eldadah. "It's a quick fix to restore normal rhythm."
