icu

Milliequivalents (mEq) versus Millimole (mmol)

In medicine, concentrations are often expressed as milliequivalents per liter (mEq/L) or millimoles per liter (mmol/L). But what's the difference? A mole is the International System of Units (SI) base unit for the amount of...

Intravenous Fluid Comparison Table

Intravenous (IV) fluids are ubiquitous in medicine. Crystalloid fluids consist of electrolytes and/or dextrose. They are traditionally used to replace ongoing fluid losses, hydrate patients who cannot tolerate enteral intake, reconstitute medications, etc. Colloids...

M-Mode Ultrasound Assessment Of Diaphragm Movement

Patients with suspected diaphragm paralysis (e.g., elevated hemidiaphragm on chest x-ray, a surgery that is high risk for compromising the phrenic nerve, etc.) can be evaluated using motion mode ("M-mode") ultrasonography at the bedside....

TEE In The Cardiothoracic ICU

As a cardiothoracic (CT) intensive care unit (ICU) physician, knowing how to balance resuscitation with inotrope and vasopressor support is a large part of my job. For patients on post-operative days (POD) 0 or...

Right Upper Lobe Bronchoscopy

As an intensivist and cardiothoracic anesthesiologist, bronchoscopy is an incredibly common procedure I perform in the ICU (from in front of the patient) and OR (from behind the patient). A small camera on the...

Thermogard – Targeted Temperature Management (TTM)

Targeted temperature management (TTM) following out-of-hospital cardiac arrest (OHCA) has been shown to confer survival and neuroprotective benefits. A 2016 review in Resuscitation found this to also apply to a wide scope of patients...

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...

3 C’s Of Code Blues – Calmly Communicating With Confidence

Code blues requiring advanced cardiovascular life support (ACLS) can be anxiety-ridden for anyone. This post will not discuss the actual algorithms but rather what I call the "3 Cs" of running a good code...

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