Updated Tuesday, Nov. 27, 10:43 a.m.
The vice president visited GW Hospital Monday evening to treat an irregular heartbeat.
Dick Cheney received an electronic shock to his heart to regulate his heart beat and returned home Monday evening.
Dick Cheney visited his doctors Monday morning for treatment of a lingering cough from a cold. Doctors found an abnormal rhythm in the upper chambers of the heart – called atrial fibrillation, according to a news release.
The 66-year-old has had four heart attacks in the last three decades and has a defibrillator to regulate his heartbeat.
David Ceasar and Eric Roper contributed to this report.