Medical care providers at the Texas Cardiac Arrhythmia Institute will begin treating patients with cardiac rhythm disorders at a new facility starting at the end of June. The new $63 million Electrophysiology Center at TCAI, located within St. David’s Medical Center at 919 E. 32nd St., includes six electrophysiology labs; features 72,000 square feet of space; and will include six electrophysiology labs, 20 beds, 20 private patient rooms and four private suites. TCAI is a treatment, training and research center specializing in heart rhythm disorders. It is a partnership between St. David’s Medical Center and Texas Cardiac Arrhythmia, a group of cardiac physicians in Austin. The team of 16 physicians at TCAI is, according to St. David’s, one of the largest electrophysiology practices in the U.S. and they treat thousands of patients each year.