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This profile was last updated on 1/30/16  and contains information from public web pages and contributions from the ZoomInfo community.

Dr. John Lewis Sapp

Wrong Dr. John Lewis Sapp?

Director of the Heart Rhythm Serv...

Phone: (902) ***-****  HQ Phone
QEII Health Sciences Centre
1796 Summer Street 5Th Floor, Room 5607, HI Site
Halifax , Nova Scotia B3H 3A7

Company Description: The QEII Health Sciences Centre is the largest medical facility in Atlantic Canada, serving patients of the: Victoria General; Halifax Infirmary; Abbie J. Lane...   more

Employment History

Board Memberships and Affiliations


  • Cardiology
    Dalhousie graduate and former holder of the William M. Sobey Fellowship
25 Total References
Web References
Dr. John Lewis ..., 30 Jan 2016 [cached]
Dr. John Lewis Sapp
Dr. Sapp is a Clinical Cardiac Electrophysiologist at the QEII Health Sciences Centre in Halifax, where he serves as Director of the Heart Rhythm Service and Director of the Heart Rhythm Laboratory. He is a Professor of Medicine at Dalhousie University where he is also cross-appointed to the Department of Physiology and Biophysics within the Faculty of Medicine. Clinical and research interests include methods for improving cardiac mapping and catheter ablation, management of ventricular tachycardia, and studies to better understand the relationship between heart failure and heart rhythm abnormalities.
Dr. Sapp is leading a multicentre multinational clinical trial of catheter ablation for ventricular tachycardia, one of the most dangerous heart rhythm abnormalities.
Dr. John Sapp, MD, FRCPC, ..., 24 Feb 2015 [cached]
Dr. John Sapp, MD, FRCPC, FHRS, Director of Heart Rhythm Service Cardiology, QEII Health Services
Dalhousie Medical Research Foundation - Dr. John Sapp, 29 Oct 2015 [cached]
Dr. John Sapp Dalhousie Medical Research Foundation - Dr. John Sapp
Dr. John Sapp Cardiologist/ Professor Division of Cardiology Dalhousie Medical School
Home » Molly Appeal for Cardiovascular Research » About Us » Faces of Molly » Dalhousie Medical School Researchers » Cardiovascular Researchers » Dr. John Sapp
Dr. John Sapp
Sapp, Dr. John 1429895969110
Cardiac electrophysiologist, Dr. John Sapp is leading long-term international studies to see if a procedure known as catheter ablation works better than aggressive drug therapy for treating ventricular tachycardia.
"Catheter ablation is an invasive procedure that carries serious risks," notes Dr. Sapp, a professor in Dalhousie Medical School's Division of Cardiology. "However, the best drugs for regulating heart rhythm don't always work and may damage the lungs, liver, skin and thyroid. The research will reveal which is the safest and most effective way to reduce shocks and prevent sudden death, in which circumstances.
At the same time, Dr. Sapp is pioneering new techniques and instruments to make catheter ablation safer and more effective. The procedure involves inserting a thin wire into the heart through a blood vessel, to deliver a surge of energy that repairs the electrical short circuit.
"The challenge with ablation is to pinpoint the exact location of the short circuit and deliver the right amount of energy," says Dr. Sapp. "Too little won't fix the problem; too much can damage surrounding tissues."
Dr. Sapp and his colleagues are pioneering a non-invasive technique called body-surface mapping, which uses electrodes on the skin to find the precise location of the short circuit. He is also working with a commercial partner to introduce a catheter he has co-invented that repairs short circuits so deep inside the heart muscle that standard technology cannot reach them.
2012-2013 Annual Report - Capital Health, 26 Aug 2015 [cached]
"Many patients and families expressed frustration over the waiting list, telling us their atrial fibrillation episodes were significantly affecting their quality of life," said Dr. John Sapp, director of the Heart Rhythm Service at Capital Health's QEII Health Sciences Centre.
Sapp teamed up with heart health portfolio director Karen MacRury-Sweet to find a solution that would address the patients' concerns and help improve the quality of life for those waiting for treatment.
"Many patients expressed frustration over having to wait in the hospital for two to three days prior to the procedure," said Sapp.
"Patients told us they wanted to have someone to talk to about pre-procedure issues and post-procedure concerns," said Sapp.
He told us this was the first time that he really understood what he was going to have done, as he had never before had it explained to him in such detail," said Sapp.
The work of Sapp and his team is currently being studied to see how it can be applied to other health-care teams at Capital Health. It also recently won a gold Capital Health Quality Award, which recognizes the efforts and success of our health-care teams to come up with innovative ways to better provide quality health care.
"It's so great to be able to fix something in health care," said Sapp.
Dr. John Sapp, left, director, Heart Rhythm Service at Capital Health's QEII Health Sciences Centre, and Dr. Rajat Sharma, fellow at the Heart Rhythm Service, prepare their equipment to begin mapping the areas of a patient's heart that are causing atrial fibrillation.
Department of Medicine: Clinical Divisions: Physical Medicine and Rehabilitation, 29 June 2003 [cached]
Dr. Brenda Joyce | Dr. E. R. Harrison | Dr. R. Lee Kirby | Dr. George Majaess | Dr. Deirdre McLean | Dr. J. J. P. Patil | Dr. John Sapp | Dr. Christine Short
Dr. John SappDr. Sapp completed his degree in medicine at Dalhousie University in 1968.After two years of practice as a Family Physician, he did his residency training in Physical Medicine and Rehabilitation at the University of Alberta and Dalhousie University.Since 1974, he has been an active medical staff member of the N.S. Rehabilitation Center and is an Associate Professor in the Faculty of Medicine of Dalhousie University.He is involved in a general practice of Physical Medicine with a special interest in Neuromuscular Rehabilitation and Electrodiagnostic Medicine.He is a member of the Medical Integration Committee for Physical Medicine and Rehabilitation of the Capital Health District.He continues to be actively involved with education of medical students and residents at Dalhousie University, as well as participating in administrative activities in the hospital and the Division of Physical Medicine and Rehabilitation.
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