Profile picture of David Mackenzie, MD CM

David Mackenzie, MD CM

Director of Emergency Ultrasound, Maine Medical Center and Assistant Professor of Emergency Medicine, Tufts University.
Works at
Maine Medical Centre
Publications

Why I love to teach

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I'm an assistant professor of emergency medicine at Tufts University and direct the emergency ultrasound program at Maine Medical Center in Portland, USA. My research focuses on ultrasound in resuscitation and global health, and I serve on the board of directors of PURE (Point-of-care Ultrasound in Resource Limited Environments). I have a deep passion for teaching the power of point-of-care ultrasound.

Latest articles with David

How to interpret lung ultrasound involving COVID-19 (SARS-CoV-2 / coronavirus) and other diseases

How can you differentiate between COVID-19 and other pathologies when you're scanning a patient's lungs? In this video, you'll learn about the point-of-care ultrasound (POCUS) findings typical of diseases other than COVID-19, what to scan when you suspect that the dyspnea may not be COVID-19-related, and why sonographic B-lines may be the key to finding out what's really going on.
29th Sep 2020 • 4m read

Estimating pulmonary artery systolic pressure (PASP)

Learn how to use point-of-care echocardiography to calculate an estimate of PASP.
23rd Jul 2018 • 4m read

Evaluating lung pathologies using ultrasound

Learn how to recognize the ultrasound appearance of various pulmonary diseases, including ARDS, pulmonary contusion, and interstitial lung disease.
9th Jul 2018 • 5m read

Assessing fluid tolerance

Learn about fluid tolerance and how ultrasound can help define a fluid-tolerant state.
5th Jul 2018 • 6m read

Diagnosing testicular torsion using ultrasound

Learn how to recognize the ultrasound findings that are consistent with testicular torsion.
5th Jul 2018 • 3m read

Detecting joint effusions with ultrasound

Learn how to recognize and diagnose the presence of a joint effusion using ultrasound.
5th Jul 2018 • 5m read

Identifying a thoracic aortic aneurysm using ultrasound

Learn how to identify the landmarks and criteria for diagnosing a thoracic aortic aneurysm.
5th Jul 2018 • 4m read

Assessing the stomach for NPO status

Learn how to use ultrasound to identify an empty stomach by recognizing if content is present.
5th Jul 2018 • 4m read

Identifying the cricothyroid membrane

Learn how to find the cricothyroid membrane using ultrasound, in preparation for a surgical airway.
5th Jul 2018 • 3m read

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