Our Cardiac Arrhythmia Program

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Heart and Vascular Institute

Our Cardiac Arrhythmia Program

Greg Engel, MD, Hardwin Mead, MD, Rob Patrawala, MD, Roger Winkle, MD, and Melissa Kong, MD

What is Sequoia’s Cardiac Arrhythmia Program?

Sequoia’s Cardiac Arrhythmia Program is focused on the study and treatment of abnormal heart rhythms. The arrhythmia program provides evaluation, diagnosis and therapy for a variety of heart conditions including atrial fibrillation, heart arrhythmias, sudden cardiac arrest and congestive heart failure. Nationally renowned cardiac electrophysiologists (heart arrhythmia specialists) continue to pioneer leading research and development of heart rhythm management devices. Physicians specializing in electrophysiology belong to the Silicon Valley Cardiology group.

Learn more about cardiac arrhythmia on our YouTube channel – Silicon Valley Cardiology physicians explain everything you need to know in this five part video series.

Part 1 of 5: Atrial Fibrillation Diagnosis and Treatment

Part 2 of 5: Atrial Fibrillation Ablation - Who are appropriate candidates?

Part 3 of 5: Atrial Fibrillation Ablation - What to expect on the day of the procedure

Part 4 of 5: Atrial Fibrillation Ablation - What to expect before and after the procedure

Part 5 of 5: Atrial Fibrillation Ablation - Results of the procedure


• Completed over 3,400 atrial fibrillation (A-Fib) ablation procedures, making it one of the highest volume A-Fib ablation institutions performing ablations on the West Coast.

• Participated in the first defibrillator implantation in California and manage one of the largest series of defibrillator patients in the western United States.

• Continue to participate in research and the design of new defibrillator and pacemaker technologies.

• Were among the first to perform catheter ablation for both supraventricular and ventricular arrhythmia.

• Participate in national pharmaceutical therapy trials for difficult rhythm management patients.

Electrophysiology procedures include:

• Pacemakers
• Internal Cardiac Defibrillators
• Biventricular Devices
• Cardiac Ablations including atrial fibrillation (A-Fib) ablation
• Diagnostic Electrophysiology Studies
• HUTT Studies (Head Up, Tilt Table)

Heart Arrhythmia Doctors:

Physicians specializing in electrophysiology belong to the Silicon Valley Cardiology group. To review clinical outcomes and data please visit their website.

Gregory Engel, M.D.

Melissa Kong, M.D.

R. Hardwin Mead, M.D.

Rob Patrawala, M.D.

Roger Winkle, M.D.


All physicians are independent practitioners and not employees of the Hospital.

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Sequoia Hospital
170 Alameda de las Pulgas
Redwood City, CA 94062
(650) 369-5811