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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Right Ventricular-Pulmonary Arterial (RV-PA) Coupling
The right ventricle (RV) is designed to be a compliant volume chamber that pumps against a low-pressure, low-resistance pulmonary arterial…
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iPhone 15 Pro Max
Earlier this week, I upgraded to an iPhone 15 Pro Max (Titanium Blue) with Pacific Blue FineWoven case. Yes, I’ll…
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The Birth Of Vulcan – Small Form Factor Gaming PC
I decided to dive into the world of small form factor (SFF) cases for my new PC, dubbed Vulcan. Here’s…
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Shamblin Classification of Carotid Body Tumors
Carotid body tumors are vascular tumors arising from the carotid body’s paraganglion cells at the bifurcation of the internal and…
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Permissive Hypercapnia
Permissive hypercapnia (PHC) is a deliberate and controlled elevation in carbon dioxide (CO2) during mechanical ventilation to limit over-distention of…
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Ambu® SPUR® II Resuscitator Bag
Artificial manual breathing unit (“Ambu”) bags are seen throughout healthcare to facilitate mask ventilation or ventilation through an indwelling endotracheal/tracheostomy…