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Electrophysiology Services

The CHOC Electrophysiology Program is one of the largest regional pediatric programs and our experts perform more than 100 pediatric electrophysiologic procedures each year. We successfully treat and eliminate 95 percent of patients’ arrhythmias from the upper chambers of the heart and provide the complete range of services for the diagnosis and treatment of cardiac rhythm disorders including:

  • Medication Management
  • Cardioversion
  • Ablation
  • Pacemaker implantation
  • Defibrillator implantation
  • Surgery.

Under the leadership of Anjan Batra, M.D., medical director of electrophysiology at CHOC, patients with suspected arrhythmias are offered expert comprehensive non-invasive and invasive electrophysiologic services that are unparalleled in the region. The electrophysiology lab provides state-of-the-art equipment specifically designed to perform procedures in children, and is staffed by a dedicated team of expert nurses and technicians.

Non-invasive services include:

  • Electrocardiograms
  • Ambulatory electrocardiograms/Holter monitoring
  • Cardiac event recorders
  • Exercise stress tests with advanced metabolic testing and nuclear imaging
  • Tilt table autonomic evaluations
  • Pacemaker and defibrillator device services including Transtelephonic and in-office pacemaker assessment through the pacemaker clinic.

Invasive evaluations and treatments include:

  • Electrophysiology (EP) studies
  • Radio Frequency (RF) ablations
  • Cryoablation
  • Implantation of cardiac pacemakers, loop recorders and cardiac defibrillators.

To learn more, or to make an appointment with the CHOC Heart Institute, call 888-770-2462.

CHOC Surgeon Performs Radiation-Free Electrophysiology Procedure


A CHOC Children’s physician is curing patients of chronic irregular heart beats by using an electrophysiology outpatient procedure that requires no radiation, a landmark achievement that signals a new direction in the field.

Safer and more accurate for young heart patients, the successful radiation-free electrophysiology procedure is credited to the skill and expertise of Dr. Anjan Batra, medical director of electrophysiology at the CHOC Children’s Heart Institute, as well as the state-of-the-art cardio mapping equipment inside the hospital’s new Bill Holmes Tower.

Irregular Heart Beats in Children

Your child’s heart rate will normally vary to some degree with fever, crying, exercise or other vigorous activities, but what is an irregular heart beat and when should you seek medical attention?

In this segment of American Health Journal, Anjan Batra, MD, FHRS, explains about common irregular heart beats in children as well as the signs and symptoms of supraventricular tachycardia (SVT). Dr. Batra goes on to describe the electrophysiology procedure used to treat SVT.

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UC Irvine

CHOC Children's is affiliated with the UC Irvine School of Medicine