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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Breathing Patterns
A patient’s breathing pattern can help guide response to therapies and diagnostics. Normal breathing is regular and comfortable at a…
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Left Atrial And Ventricular Pressure Throughout The Stages Of Diastole
The left ventricle’s (LV) variously arranged muscle fibers twist and contract during systole, storing potential energy as blood is ejected…
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National Board of Echocardiography (NBE) Advanced PTEeXAM Case Log Template
Here’s an Excel template for those logging transesophageal echocardiograms (TEE) on the supervised training pathway for the National Board of…
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ECMO Oxygenator Clots
Virchow’s triad of stasis, vascular damage, and hypercoagulability contribute to thrombosis. Although patients on extracorporeal membrane oxygenation (ECMO) are usually…
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ECMO Hand Crank
Extracorporeal membrane oxygenation (ECMO) has a few basic parts: an inflow (“drainage”) cannula, mechanical blood pump, membrane oxygenator, heat exchanger,…
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Alaris® Pump Dynamic Pressure Display
It’s relatively easy to determine the drug name, concentration, volume to be infused (VTBI), and dose/rate for medication on an…