A malfunction in the heart's electrical system that causes the heart to beat slower than it should.
Tachycardia occurs when the heart beats faster than 100 beats per minute. It can occur as a normal response to exercise, fever, stress, or other stimuli. Tachycardia that occurs abruptly and without a clear cause, or when the heart rate increases out of proportion for a given activity is considered abnormal.
Sudden cardiac arrest occurs when the heart stops pumping, and is a leading cause of death in the United States. Learn about symptoms and treatment.
A type of abnormal heart rhythm in which the heart beats too quickly.
Condition in which electrical signals in the heart are blocked, causing the heart to beat out of sync.
An occasional extra heartbeat that temporarily changes the heart's regular rhythm. The extra heartbeat originates in one of the heart's lower chambers.
Atrial fibrillation is a heart rhythm problem that causes irregular heartbeat (arrhythmia) and abnormal blood flow.
Minimally invasive surgery is a type of surgery that involves smaller incisions and shorter recovery time. Learn more about these procedures.
A battery-operated device that is surgically implanted in the chest to detect and correct life-threatening heart arrhythmias.
Patients with A-fib benefit from specialized anesthesiology. Learn more about this treatment.