Dr. Andrew H. Ha, MD FRCP(C)
Dr. Andrew H. Ha, MD FRCP(C)


Dr. Andrew H. Ha obtained his bachelor’s degree and MD at Queen’s University and completed Internal Medicine training at the University of Ottawa. He subsequently completed Cardiology and Cardiac Electrophysiology fellowship program at McMaster University.

He joined Trillium Health Partners in 2015 from St. Mary’s Hospital in Kitchener/Waterloo to help build a growing electrophysiology program. His main areas of interests are simple (atrial flutter, supraventricular tachycardia, Wolff-Parkinson-White syndrome) as well as complex (atrial fibrillation, atypical atrial flutter and ventricular tachycardia) ablation. His expertise also includes cardiac resynchronization therapy, pacemakers and implantable defibrillators.

Outside the hospital, he enjoys playing baseball and outdoor activities including running.

Dr. Catherine Le Feuvre MD FRCP(C)
Dr. Catherine Le Feuvre MD FRCP(C)

Director of Cardiac Device Clinic, Director of Tilt Table Testing

Dr. Catherine Le Feuvre graduated from Trinity College, University of Toronto (BSc. Hons) and Mc Master University Medical School. She completed her Internal Medicine and Cardiology Residencies at Mc Master University before pursuing a 2 year fellowship in Clinical Electrophysiology at London Health Sciences, University of Western Ontario. During the next 6 years, she was a staff Cardiologist/Clinical Electrophysiologist at Hamilton Health Sciences, Assistant Professor at McMaster University and Program Director of the Cardiology Residency Training Program. Since January 2003, she has been active staff at Trillium Health Partners (formerly Trillium Health Centre) and was Physician Director of the Cardiac Device Clinic from 2003 until June 2015. She is also a lecturer at the University of Toronto. Her clinical interests include General Cardiology, Arrhythmia, and in particular, device management and investigation of syncope.

Dr. Le Feuvre also enjoys activities outside the hospital including skiing, kayaking, swimming and the pursuit of culinary arts. She is happily married and has three children and one cat.

Dr. Michael Platonov MD FRCP(C) Dip. ABIM
Dr. Michael A. Platonov MD FRCP(C)

Director of Electrophysiology Laboratory Heart Rhythm Service Lead

Dr. Platonov completed an Honours B.Sc. with Distinction, a double major in Microbiology and Physiology (with an English Minor) at St. Michael's College in the University of Toronto (1991-1995) before Medical School at Queen's University (class of 1999) finished with the Forrester Award for second-highest overall standing.

He then completed Internal Medicine Fellowship at University of Alberta (1999-2002), Cardiology Fellowship at University of Alberta (2002-2005) and then Electrophysiology Fellowship at University of Calgary (2005-2007) followed by a second Electrophysiology Fellowship at the University of Alabama at Birmingham (2007-2008) under the guidance of Dr. G Neal Kay. After one year at the University of Manitoba as Assistance Professor of Cardiology, Dr. Platonov came to Trillium in 2009, coincident with the opening of our new Electrophysiology Laboratory. Has had the privilege of performing the following firsts at Trillium: Electrophysiology Study, Radiofrequency Catheter Ablation, Complex Mapping Case, Biventricular ICD implant, Subcutaneous ICD implant and Pulmonary Vein Cryoablation.

Arlene Carter, RN

Patient Care Co-ordinator

Arlene Carter graduated from the George Brown College School of Nursing and from the University of Guelph with a Bachelor of Science degree. She worked as a Registered Nurse on Cardiovascular Surgery and Critical Care units, also obtaining critical care certification. She went on to work for several years in Interventional Cardiology clinical research at Mount Sinai Hospital, University Health Network and Trillium Health Partners. She joined the growing Heart Rhythm Service in 2010 and enjoys this challenging and dynamic clinical area.

Outside of work, Arlene enjoys spending time with her family, travel and the great outdoors.

Philippa Hetherington, RN

Patient Care Co-ordinator

Philippa Hetherington completed Registered Nursing training at Guy’s Hospital in London, England before emigrating to Canada in 1983 and obtaining her Critical Care Certificate from Ryerson University.  She has an extensive background in pediatric and adult Cardiac nursing, having worked for 17 years in the Intensive Care Unit at The Hospital for Sick Children in Toronto.

Philippa came to Trillium in 2001 and has worked in the Cardiac Surgery ICU, Cardiac Short Stay Unit, (pre and post-care for angiography and electrophysiology studies), as well as pre-op teaching for patients undergoing open-heart surgery.  She has worked as Heart Rhythm Service Patient Care Co-ordinator since 2014.

Outside of the hospital, Philippa enjoys time with her family, travelling, papercrafting and walking her beloved dog.