Chris GrayMD, FRCPC

Associate professor


Phone: 902-473-4907
Fax: 902-473-3158
Mailing Address: 
Division of Cardiology
QEII - Halifax Infirmary (HI) Site
Suite 2501C Halifax Infirmary Building
1796 Summer Street
Halifax, NS B3H 3A7
Research Topics:
  • atrial fibrillation
  • sudden cardiac death
  • inherited heart disease
  • catheter ablation
  • cardiac implanted electronic devices
  • electrophysiology
  • medical education
  • ventricular fibrillation


  • BSc (University of Prince Edward Island)
  • MD (Dalhousie University)
  • Internal medicine and cardiology residencies (Dalhousie University)
  • Cardiac electrophysiology/arrhythmia fellowship (London Health Sciences Centre, University of Western Ontario)


Dr. Chris Gray is an associate professor of medicine and cardiologist with fellowship training in electrophysiology. He has a keen interest in medical education and was appointed the Department of Medicine’s inaugural director of education in 2014.

Selected publications

  • Leather RA, Gardner M, Green MS, Kavanagh K, Macle L, Ahmad K, Gray C, Ayala-Paredes F, Guerra PG, O'Hara G, Essebag V, Sturmer M, Baranchuk A, Hruczkowski T, Lahevsky I, Novak P, Chakrabarti S, Harris L, Gula LJ, Morillo C, Sanatani S, Hamilton RM, Gow RM, Krahn AD. Charting a course for cardiac electrophysiology training in Canada: the vital role of fellows in advanced cardiovascular care. Can J Cardiol. 2013 Nov;29(11):1527-30
  • Derval N, Skanes AC, Gula LJ, Gray C, Denis A, Lim HS, Krahn AD, Yee R, Sacher F, Haïssaguerre M, Klein GJ. Differential sequential septal pacing: a simple maneuver to differentiate nodal versus extranodal ventriculoatrial conduction. Heart Rhythm. 2013 Dec;10(12):1785-91.
  • Sapp JL, Beeckler C, Pike R, Parkash R, Gray CJ, Zeppenfeld K, Kuriachan V, Stevenson WG. Initial human feasibility of infusion needle catheter ablation for refractory ventricular tachycardia. Circulation. 2013 Nov 19;128(21):2289-95.
  • Parkash R, Sapp JL, Basta M, Doucette S, Thompson K, Gardner M, Gray C, Brownell B, Kidwai H, Cox J. Use of primary prevention implantable cardioverter-defibrillators in a population-based cohort is associated with a significant survival benefit. Circ Arrhythm Electrophysiol. 2012 Aug 1;5(4):706-13.
  • El-Damaty A, Gray C, Sharma R, Sapp J. Atrial pace on PVC algorithm inducing ventricular fibrillation. Pacing Clin Electrophysiol. 2012 Jun;35(6):749-51.


  • Attending cardiologist, Division of Cardiology, QEII Health Sciences Centre (2009 – present)
  • Locum attending cardiologist, QEII Health Sciences Centre (2007)
  • Locum attending physician, Dartmouth General Hospital (2005 – 2007)

Service and activity

  • Director, Education, Department of Medicine (2014 – present)
  • Chair, Education Committee, Department of Medicine (2014 – present)
  • Program director (acting), Cardiology Residency Training, Division of Cardiology, Department of Medicine (2014 – 2015)
  • Assistant program director, Cardiology Residency Training, Division of Cardiology, Department of Medicine (2014 – present)
  • Secretary, Canadian Heart Rhythm Society Executive (2013 – Present)

Teaching (current):


  • PIER 4 lecture, Med 4, Dalhousie University
  • Approach to arrhythmia assessment and management for a PGY1
  • Med 2 Clinical Skills, Dalhousie University
  • Cardiology Housestaff Teaching (lectures on supraventricular tachycardia and ventricular tachycardia, monthly rotation)

Postgraduate – internal medicine residents

  • Division of Cardiology IMCU Teaching Rounds (monthly rotation): ventricular tachycardia, supraventricular tachycardia
  • ECG teaching rounds (wide complex tachycardia, bradycardia, SVT, ECG potpourri)
  • Arrhythmia Teaching Service (daily bedside teaching, case-based discussion, clinic and EP laboratory teaching)
  • Instructor, Simulation Program for Internal Medicine Residents

Postgraduate – cardiology residents

  • Weekly ECG teaching rounds
  • Arrhythmia Teaching Service (daily bedside teaching, case-based discussion, clinic and EP laboratory teaching)
  • Annual Cardiology Residents Pacemaker Course (organizer/ faculty)
  • Cardiology residents grand rounds supervision

Selected awards & honours

  • Quality award (gold) for Capital Health Heart Rhythm Service: Changing to Meet Patient Need, Capital District health Authority
  • Cardiology Residents Teaching Award, Division of Cardiology (2012)
  • Pfizer Award of Excellence, Division of Cardiology (2007)