About Us

Dr. Samir Hazra

Adult Cardiologist

The Medical Director of the Echo Lab, Dr. Hazra also serves as program director of the adult cardiology training program at Queen’s University/Kingston Health Sciences Centre

Dr. Zardasht Jaff

Adult Cardiologist

Division of Cardiology at Queen's in 2018 as a staff cardiologist and assistant professor. Director of echo fellowship program at Queen’s University

Dr. John Smythe

Pediatric Cardiologist

Dr. Smythe is a full-time Associate Professor of Pediatrics and Pediatric Cardiologist with a broad range of experience in cardiac disease in children and congenital heart disease in adults

Jian Zhang

Echo Technologist

The Technical Director of the Echo Lab, has specialized in Adult TTE, Stress Echo, Pediatric Echo, and Fetal Echo over his 25-year career at the KGH echo lab