Welcome to Cleveland Clinic Online Health Chats

Get answers to your health questions and concerns. It's easy to be part of our live chat events, led by Cleveland Clinic physicians and health professionals.

Ask the Heart Doctor
Thursday, December 13, 2018 - 12 Noon (Eastern Time)

Sign up for this chat today.Register Now

Prior to a scheduled chat, click Join Chat to submit a question early.You will be asked to login if you aren't already logged in.Join Chat

John Mansour, MD

  • Cardiologist

Steven Nissen, MD

  • Chairman of the Robert and Suzanne Tomsich Department of Cardiovascular Medicine

For the 24th consecutive year, Cleveland Clinic’s heart program has ranked as the best in the nation, earning the No. 1 ranking in U.S. News & World Report’s “2018-2019 Best Hospitals.” Since 1994, no hospital in the country has ranked higher than Cleveland Clinic in cardiac care. Please join us to have your heart questions answered live by staff cardiologist, John Mansour, MD, and Chairman of the Robert and Suzanne Tomsich Department of Cardiovascular Medicine, Steven Nissen, MD.

The Sydell and Arnold Miller Family Heart & Vascular Institute is the largest cardiovascular practice in the U.S. No hospital in America sees more patients for heart and vascular conditions than Cleveland Clinic. Our caregivers have collectively seen it all and experienced it all. Cleveland Clinic’s long history of innovations, from the first cardiac catheterization to new diagnostic imaging approaches and treatments for heart disease – provides a legacy of excellence in patient care, research and education.

John S. Mansour, MD, MBA, is a cardiologist in the Section of Clinical Cardiology in the Robert and Suzanne Tomsich Department of Cardiovascular Medicine, Sydell and Arnold Miller Family Heart & Vascular Institute. He sees patients at Cleveland Clinic main campus.

In addition to office visits, Dr. Mansour also offers scheduled follow up virtual visits to select patients, through the Cleveland Clinic Express Care ® Online app. This platform allows patients to see their physician live, using their smartphone, tablet or computer.

Dr. Mansour’s specialty interests include General cardiology, coronary artery disease, dyslipidemia (lipid disorders), structural heart disease, cardiovascular disease, and hypertension (high blood pressure).

Steven Nissen, MD, is the Chairman of the Robert and Suzanne Tomsich Department of Cardiovascular Medicine at Cleveland Clinic’s Sydell and Arnold Miller Family Heart & Vascular Institute. He was appointed to this position in 2006 after serving nine years as Vice Chairman of the Department of Cardiology and five years as Medical Director of the Cleveland Clinic Cardiovascular Coordinating Center (C5), an organization that directs multicenter clinical trials.

Dr. Nissen has more than 35 years of experience as a physician. He is world-renowned for his work as a cardiologist, patient advocate and researcher. Equally as significant is his pioneering work in IVUS technology and its use in patients with atherosclerosis.

He is heavily involved with the American College of Cardiology (ACC), serving as President from March 2006 to March 2007, a member of the ACC Executive Committee from 2004 to 2008, and spending 10 years as a member of the organization’s Board of Trustees. In addition, Dr. Nissen has served several terms on the Program Committee for the ACC Annual Scientific Sessions.

Dr. Nissen’s specialty interests include general cardiology, intravascular ultrasound (IVUS), diabetes and the heart, drug safety, and coronary intensive care.

This Health Chat is currently open to allow you to submit questions. We will try to answer as many questions as possible during the chat. Please create an account to attend the chat and submit your questions.