Vice President Dick Cheney was rushed to the hospital Saturday after experiencing shortness of breath. He remained hospitalized for about three hours before being released.
An aide to Cheney says tests Saturday did not find any heart abnormalities as he left, the vice president smiled and waved to people outside saying he was fine. His cardiologist says he suspects the Cheney has a respiratory infection.
In the past the vice president has had four heart attacks, although none while in office.