Welcome

The Texas Cardiac Arrhythmia Institute (TCAI) at St. David’s Medical Center is an international treatment, training and research center specializing in care for heart rhythm disorders.

Learn about the Institute

Services and Treatments

TCAI electrophysiologists diagnose and treat cardiac arrhythmias through cardiac ablation and other techniques, allowing individuals to enjoy life with a regular heart rhythm.

What We Treat

Patient's Stories

The advanced care provided at Texas Cardiac Arrhythmia Institute has made a difference in the lives of thousands of individuals from Texas and around the world. They share their journeys - from symptoms to successful treatment - in these heartwarming stories.

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Texas Cardiac Arrhythmia Institute combines leading edge robotics, advanced mapping systems and advanced imaging technologies to give patients unique access to the very latest...

The physicians and staff at Texas Cardiac Arrhythmia Institute (TCAI) provide world-class treatment for cardiac arrhythmias, from simple straightforward cases to the most complex...

Texas Cardiac Arrhythmia Institute is able to offer patients access to innovative new advances and technologies long before they are available on a widespread basis.

Texas Cardiac Arrhythmia Institute first in U.S. to use FDA-approved mapping, dual energy ablation catheter

May 20, 2026

The first procedure was performed by Andrea Natale, MD, FHRS, FACC, FESC, cardiac electrophysiologist and executive medical director of TCAI,...

Novel defibrillation lead implanted for first time in U.S. at Texas Cardiac...

May 20, 2026

The first procedure was completed earlier this year by Robert Canby, MD, and Amin Al-Ahmad, MD.

Texas Cardiac Arrhythmia Institute at St. David's Medical Center first ...

May 20, 2026

St. David’s Medical Center has become the first in the nation to use a novel, FDA-approved pulsed field ablation system to treat patients with...

TCAI at St. David's Medical Center announces 3,000th robotic cardiac ablation...

Nov 02, 2022

Electrophysiologists at the Texas Cardiac Arrhythmia Institute (TCAI) at St. David’s Medical Center have performed 3,000 robotic cardiac ablation...

TCAI at St. David's hosted international conference on complex cardiac ...

Jun 15, 2022

On June 2 and 3, 2022, the Texas Cardiac Arrhythmia Institute (TCAI) at St. David’s Medical Center hosted its sixth international symposium...

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