About Us
Dr. Samir Hazra
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
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
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
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