Department of Surgery, Associate Professor of Surgery, Harvard Medical School, Brigham and Women's Hospital, Boston, United States
Commentary
Arrhythmias: Symptoms and Treatment
Author(s): Raouf Khalil*
An arrhythmia is a problem with the rate or rhythm of the heartbeat. During an arrhythmia, the heart can beat too fast, too slowly, or with an irregular rhythm. When a heart beats too fast, the condition is called tachycardia. When a heart beats too slowly, the condition is called bradycardia .. View more»