Search the Health Library
Get the facts on diseases, conditions, tests and procedures.
I Want To...
I Want To...
Find Research Faculty
Enter the last name, specialty or keyword for your search below.
School of Medicine
Conditions We Treat: Cardiac Arrhythmias
An arrhythmia is a disturbance in the regular rhythm of your heartbeat. The rhythm may be too fast, too slow or irregular. It is caused by a problem with the electrical signals that tell your heart muscle when to contract.
Arrhythmias: What You Need to Know
- A precise diagnosis is necessary to pinpoint both the type and location of the electrical disturbance.
- Some diagnostic tests are performed in an electrophysiology lab. Others consist of monitors you wear during your daily routine to detect less-frequent irregularities.
- Your doctor’s goal is to correct the rhythm so your heart beats more efficiently.
- Treatments include ablation, which destroys the group of heart cells producing “unauthorized” electrical signals; insertion of a pacemaker or implantable defibrillator, which correct the heart's rhythm using electricity; and medications.
The following conditions are common arrhythmias:
Long QT Syndrome
- Atrial fibrillation
- Atrial flutter
- Atrial tachycardia
- Paroxysmal supraventricular tachycardia
Watch an informational health seminar online:
Basics of Atrial Fibrillation
Surgical Approach to Atrial Fibrillation
Catheter Ablation of Atrial Fibrillation
Medical Treatment of Atrial Fibrillation
Treatment Options for Ventricular Tachycardia
Why choose Johns Hopkins Heart and Vascular Institute for treatment of arrhythmias?
Cardiac electrophysiologists, who specialize in electrical problems of the heart, are just part of the expert team that treats arrhythmias at Johns Hopkins.Meet our physicians:
Our Specialty Centers
Johns Hopkins centers of excellence are at the forefront of research and patient care. The Johns Hopkins Arrhythmia Service is a leader in treating arrhythmias, perfecting new devices and minimally invasive surgical techniques.
Our doctors seek to push the boundaries of known medicine, finding new ways to help people live with arrhythmias.Learn how a Johns Hopkins study helped people with cardiac implants receive MRI scans.