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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Severe Transaminitis
Transaminitis refers to an increase in circulating levels of transaminases (ie, AST and ALT) classically indicative of liver injury. Hepatobiliary…
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Lumbar Drain
Lumbar drains are a mainstay for spinal cord protection when patients undergo operations like thoracoabdominal aortic aneurysm (TAAA) repairs and…
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HCQ Or Chloroquine +/- Macrolide For COVID-19
This observational Lancet study compared ~96,000 patients across 671 international hospitals with a positive COVID-19 diagnosis who received hydroxychloroquine (HCQ)…
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Chrome Desktop Browsing On iPadOS
I’ve been a Chrome browser user since its inception in 2008. Over the years, I experimented with a wide variety…
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Procainamide
Procainamide is a type IA antiarrhythmic which prolongs repolarization via sodium channel blockade. This is achieved by slowing conduction through…
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Henderson-Hasselbalch Equation
The Henderson-Hasselbalch (H-H) equation illustrates the incredibly important role of the bicarbonate buffer system comprised of the partial pressure of…