Welcome to RK.MD
A platform where cardiac anesthesiologist and intensivist Dr. Rishi Kumar shares insights in perioperative medicine, critical care, education, and tech while promoting curiosity and lifelong learning.
From The Blog
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Posey Cufflator Manometer
Endotracheal tubes (ETTs) and tracheostomy tubes have pilot balloons which are inflated to expand a pilot cuff situated within the…
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Pfizer-BioNTech COVID-19 Vaccine: Ingredients And My Symptoms Afterwards
I’m thankful I was in group 1A for my hospital system’s vaccine roll-out. I received my first dose of the…
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Subcutaneous Emphysema
Subcutaneous emphysema occurs when air gets trapped within the subcutaneous regions of the face, neck, chest wall, abdomen, and even…
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Looking Back At 2020
2020 will be remembered for many things, but the one that most directly affected my livelihood and career has been…
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Antibody Structure
With all the discussion surrounding antibody production after receiving a COVID-19 vaccine, let’s talk about the structure of an antibody.
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Prone Chest X-Rays
In severe COVID-19 pneumonia with refractory hypoxemia, patients are often proned (put on their abdomen), deeply sedated, and paralyzed to…