David Mackenzie, MD, CM, is an attending physician and fellow in emergency ultrasound in the Massachusetts General Hospital Department of Emergency Medicine. He is also an instructor of surgery at Harvard Medical School.

Dr. Mackenzie

David Mackenzie, MD, CM

Clinical Fellow, emergency ultrasound


Clinical Interests

Point-of-care ultrasound
Global health
Medical education


Dr. Mackenzie received his medical degree from McGill University. He completed his residency in emergency medicine at Brown University where he also served as chief resident. He is currently completing a fellowship in emergency ultrasound at Massachusetts General Hospital. He also lectures and provides hands-on instruction in point-of-care ultrasound.

Research Description

Dr. Mackenzie's current projects include:

  • A trial of ultrasound guidance for arterial vascular access
  • Delivery of an ultrasound education curriculum for physicians in Rwanda
  • Ultrasound assessment of fluid responsiveness
  • A study with collaborators at Brown University investigating metrics for evaluating resident education and performance