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Cardioversion to Correct Arrhythmia

If you have an abnormal heart rhythm (arrhythmia), your doctor may suggest cardioversion treatments to normalize your heartbeat. Options include:

  • Chemical or pharmacologic cardioversion — Certain medications, taken by mouth or delivered intravenously, can help regulate heart rhythms. Your doctor may direct you to take medications at home or administer them in the hospital. You might experience results in minutes, or it may take days.
  • Electrical cardioversion — This scheduled treatment resets the heartbeat by sending one or more electric shocks to the heart through electrodes placed on your chest (or chest and back). The treatment is done under sedation so you don’t feel anything, and it takes about 30 minutes. Your doctor might recommend this procedure for atrial fibrillation, or AFib, the most common type of arrhythmia. Atrial fibrillation is a disorganized rhythm originating in the upper chambers of the heart that can contribute to fast heart rates (palpitations), worsening of heart failure or stroke. Your doctor can immediately see if cardioversion restores your heartbeat to normal.
  • Cardiac ablation — This procedure, also called catheter ablation or radiofrequency ablation, uses electrical (or sometimes cold) energy delivered through tubes to destroy abnormal heart tissue that’s causing arrhythmia.
  • Atrial fibrillation ablation — This is a type of cardiac ablation, which works by scarring or destroying tissue in your heart to disrupt faulty electrical signals causing arrhythmia. Recent advances have allowed doctors at PAMF to perform ablations that eliminate atrial fibrillation.

If you have ongoing, dangerous heart rhythms, your doctor may advise an implantable cardioverter-defibrillator, a small device inserted in your chest to sense your heartbeat and deliver immediate electrical pulses as needed.

  • Emergency cardioversion — Also called defibrillation, this is used for life-threatening arrhythmia, such as a sudden heart attack. Powerful electric shocks delivered by paddles placed on your chest (or chest and back) briefly stop all electrical impulses to your heart and then allow the normal heartbeat to resume.

Chat with a Referral Specialist Monday - Friday, 8:00 am – 5:00 pm PDT

Or call (888) 834-1788.

Related Content

  • Electrophysiology (Arrhythmia)
  • Heart and Vascular Services
  • Cardiovascular Imaging and Diagnostic Services

Doctors at Palo Alto Medical Foundation

The following doctors are part of the Sutter Health network. Learn about the doctors on this site.
Amir Schricker, M.D., M.S., FACC, FHRS

Amir Schricker, M.D., M.S., FACC, FHRS

  • Electrophysiology

Jonathan Salcedo, M.D.

Jonathan Salcedo, M.D.

  • Electrophysiology

Chad R. Brodt, M.D.

Chad R. Brodt, M.D.

  • Cardiovascular Disease

Alvin S. Chen, M.D., FACC

Alvin S. Chen, M.D., FACC

  • Cardiovascular Disease

Ryan Brandt, M.D.

Ryan Brandt, M.D.

  • Cardiovascular Disease

Simon G. Ermakov, M.D.

Simon G. Ermakov, M.D.

  • Cardiovascular Disease

Rajesh Jaganath, M.D., M.S., FACC

Rajesh Jaganath, M.D., M.S., FACC

  • Cardiovascular Disease

Girish A. Narayan, M.D.

Girish A. Narayan, M.D.

  • Electrophysiology

  • Cardiovascular Disease

View All Related Doctors

Services Near You

Palo Alto Center

Palo Alto Center

795 El Camino Real

Palo Alto, CA 94301

(650) 321-4121

Redwood City Vascular Surgery

Redwood City Vascular Surgery

2900 Whipple Avenue

Suite 225

Redwood City, CA 94062

(650) 366-0225

East Palo Alto Care Center

East Palo Alto Care Center

1950 University Avenue

East Palo Alto, CA 94303

Monterey Cardiology

Monterey Cardiology

23845 Holman Highway

Suite 220

Monterey, CA 93940

(831) 644-0225

Palo Alto - 87 Encina Building

Palo Alto - 87 Encina Building

87 Encina Avenue

Palo Alto, CA 94301

(650) 853-2975

Santa Cruz Center

Santa Cruz Center

2025 Soquel Avenue

2nd Floor

Santa Cruz, CA 95062

Dublin Center

Dublin Center

4050 Dublin Blvd.

Dublin, CA 94568-3112

(925) 875-6100

San Carlos Center

San Carlos Center

301 Industrial Road

San Carlos, CA 94070

(650) 321-4121

Fremont Center

Fremont Center

3200 Kearney Street

Fremont, CA 94538

(510) 490-1222

View All Related Locations

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