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Meet Ivan Ho, MD

Originally published February 2, 2026

Last updated February 2, 2026

Reading Time: 3 minutes

Dr. Ho is a cardiac electrophysiologist with Keck Medicine of USC who specializes in diagnosing and treating heart rhythm disorders. He serves as director of cardiac electrophysiology at the USC Cardiac and Vascular Institute, part of Keck Medicine, and a clinical professor of medicine at the Keck School of Medicine of USC.

He treats patients at Keck Hospital of USC, USC Norris Cancer Hospital, USC Arcadia Hospital and USC Verdugo Hills Hospital. Here’s what you won’t find on his resume.

He loved science from an early age.

“I have always been curious about how things work in the world. Growing up, I was fascinated by the physical sciences and wanted to become a scientist, explaining things we do not understand. In college, I did research on molecules observed in interstellar medium, using quantum mechanical calculations to predict their behaviors. Originally, I wanted to get a PhD in physics or chemistry — before my interest sharply turned to medicine.”

A surgeon sparked his passion for medicine.

“I was inspired to become a doctor when I shadowed a surgeon in Hong Kong during one summer in college. I saw how he used his vast knowledge of science and medicine, and his technical skill, to remove a very tricky tumor in the head and neck region of a patient. While I did not understand everything he was doing, I found it inspiring to be able to combine scientific knowledge and one’s manual skills to make a difference in someone’s life. After that, I never looked back, focusing on a path that would take me to medicine.”

His dad is his biggest role model — in medicine and in life.

“My father, who is a family physician in Hong Kong, is a model of hard work, dedication to both his work and family, and generosity in devoting his time to caring for others. At 77 years old, my father is still practicing medicine in Hong Kong, with a loyal cohort of patients continuing to see him regularly.”

He is a family man.

“When I’m not working, I’m spending time with my wife and two sons. I also love to travel, and I play table tennis regularly as well as a bit of golf and tennis. I enjoy watching F1 races and the English Premier League and am an avid participant of Fantasy Premier League.”

Pairing advanced technology and clinical know-how to achieve best outcomes is gratifying.

“As a cardiac electrophysiologist, I am privileged to be able to combine many of the technological advances in the field with the evolving understanding of the most complicated arrhythmia mechanisms to help patients. The most rewarding part of my day-to-day life happens in the electrophysiology lab when I use these tools to eliminate highly bothersome arrhythmias based on the theoretical foundation of this seemingly very abstract field. Seeing patients free of symptoms back in my office after successful ablation procedures is about the most satisfying reward there is.”

Technology advancements continue to shape his field.

“Advances in 3D mapping systems with increasingly sophisticated software and hardware, and use of pulsed-field energy, have allowed us to tackle almost all arrhythmias in the electrophysiology lab.

My colleagues and I are currently in clinical trials testing out new catheter technologies and energy sources to improve the safety, efficiency and efficacy of ablation procedures to eliminate cardiac arrhythmias.”

Why he likes working at Keck Medicine:

“I chose to practice at an academic medical center because of the resources available for a highly technical field like electrophysiology — and because of the bright people whom I can rely on to do the best for our patients.

The availability of the latest, cutting-edge technology in electrophysiology, such as the most sophisticated mapping systems and advanced energy sources for use in ablation of cardiac arrhythmias, sets Keck Medicine and the patient care we provide apart. The resources available also make advancements in the field possible.

Not only that, but the quality of the people I work with to treat my patients, and the dedication of the enterprise as a whole to providing the highest level of care for some of the sickest patients, is unmatched.”

What advice would he give medical students interested in the electrophysiology field?

“If you are logical and cerebral, like to reason out complex mechanisms with physiologic principles and enjoy fixing things with your hands, cardiac electrophysiology is for you.”

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