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Michael A. Grippi, MD

Vice Chairman, Department of Medicine | Pulmonary, Allergy, and Critical Care Division, Perelman School of Medicine, University of Pennsylvania, USA.
Works at
University of Pennsylvania

Why I love to teach


I’m an Associate Professor of Medicine in the Pulmonary, Allergy, and Critical Care Division at the Perelman School of Medicine, University of Pennsylvania. With a passion for medical education, I have written and edited multiple textbooks on various topics. I currently serve as Editor-in-Chief of the standard pulmonary medicine textbook, Fishman’s Pulmonary Diseases and Disorders.

Latest articles with Michael

What defines physiological dead space?

In this video, from our Blood Gas Analysis Essentials course, you'll learn about the pathophysiologic consequences of a functional state of regional lung ventilation unaccompanied by blood flow—physiological dead space.
18th Apr 2020 • 2m read

Everything you need to know about the ventilation / perfusion (V / Q) ratio

In this video, we'll cover the anatomical and physiological factors that determine how well different parts of the lung are ventilated, key equations you need to know that describe this heterogeneity, and how this affects your clinical decision-making.
11th Apr 2020 • 4m read

What is diffusing capacity and why is it important?

In this video, we'll take a look at the importance of diffusing capacity, as a measure of gas exchange, and consider the clinical factors that affect it.
3rd Apr 2020 • 4m read

Simplifying Fick's law and lung gas exchange

In this video, you'll learn about the impact of diffusing capacity and other factors that affect gas transfer across membranes, as well as how this relates to respiratory pathologies such as emphysema and pulmonary fibrosis.
24th Mar 2020 • 3m read

How to calculate the fractional concentration of gases in a mixture

In this video, from our Blood Gas Analysis Essentials course, we'll take a deep dive into the fractional concentration of gases and how to calculate this important value.
20th Mar 2020 • 3m read

How to apply the recommended PFT algorithm

Learn about the currently recommended pulmonary function test (PFT) interpretation algorithm and how to use it.
13th Jan 2019 • 2m read

Bronchoprovocation testing

Learn how to implement important safeguards when performing bronchoprovocation tests.
2nd Dec 2018 • 2m read

Interpreting abnormal PFT patterns

Learn about the various patterns of pulmonary function test abnormalities and how to apply this knowledge when diagnosing disease.
28th Nov 2018 • 3m read

Using the high altitude simulation test (HAST)

Learn about the physiological basis for (and interpretation of) high altitude simulation tests that are used when assessing patients who are planning for commercial air travel.
28th Nov 2018 • 2m read

Measuring diffusing capacity

Understand diffusing capacity and how to measure it when assessing lung disease.
28th Nov 2018 • 3m read

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