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RK.md’s Mechanical Circulatory Support (MCS) Reference Sheet

As a follow-up to my perioperative and critical care reference sheet, I've created a similar one for mechanical circulatory support (MCS). Same rules apply: This sheet doesn't constitute medical advice, and I'm NOT responsible for...

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 Pfizer-BioNTech COVID-19 vaccine on December 18, 2020 followed by my second dose exactly three...

Looking Back At 2020

2020 will be remembered for many things, but the one that most directly affected my livelihood and career has been the COVID-19 pandemic. We learned about the SARS-CoV-2 virus in early 2020 and watched...

Antibody Structure

With all the discussion surrounding antibody production after receiving a COVID-19 vaccine, let’s talk about the structure of an antibody. An antibody (immunoglobulin, or Ig) is a protein synthesized by plasma B cells targeting unique...

How mRNA Vaccines Work – Gene Transcription And Translation

Conventional vaccines typically involve growing a virus in various cell lines, injecting a part of the virus into the host, and relying on the host to mount an immunologic response (ie, create antibodies and...

MAC, Cordis, Sheath Introducer – What’s The Difference?

As a cardiothoracic anesthesiologist and intensivist, I routinely place large central lines for resuscitation, vasoactive/inotrope administration, and to facilitate additional monitoring (ie, Swan Ganz catheter). Over the years, I've heard "MAC", "sheath introducer", "Cordis",...

Creating My Educational Posts – From Inception To Final Product

I’m in a constant pursuit to learn more about everything! Although cardiothoracic anesthesiology and intensive care are my subspecialties, I am interested in all organ systems and their delicate interplay to maintain systemic homeostasis. Consequently, my ideas...

RK.md’s Perioperative And Critical Care Reference Sheet

Ever since finishing my fellowships, I wanted to create a free reference sheet (front and back) containing "high yield" information in the areas of critical care and perioperative medicine. I feel I'm well suited...

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