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The Lethal Triad In Trauma

The lethal triad in trauma - acidosis, hypothermia, and coagulopathy - defines much of what I do in the ICU and cardiothoracic ORs. It’s important to appreciate the interplay between these three derangements, anticipate problems, and…
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The Heart’s Fibrous Skeleton

There’s a complex yet beautiful architecture within the heart's fibrous skeleton and valvular geometry. To become a proficient perioperative echocardiographer, one must understand these spatial relationships in three dimensions and the…
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ProtekDuo® Veno-Venous Cannula

The ProtekDuo® veno-venous (V-V) dual lumen cannula permits a form of extracorporeal mechanical circulatory support using an oxygenator and, when combined with a TandemHeart® pump, can deliver close to 4 liters/minute of flow allowing the…
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“On Call” Podcast Launch And Setup

Over the last year, I've been doing Instagram Live videos covering medical lessons, random Q&As, my philosophies about medicine, communication in healthcare, and other topics relevant to being a trainee. I received innumerable requests…
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Passy Muir Valve

Normally air moves in and out of tracheostomy tubes (trachs) below the level of the vocal cords rendering a patient aphonic. By using a Passy Muir Valve (PMV), otherwise known as a "speaking valve", airflow is redirected through the vocal…
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Neuraxial Anesthetics And Anatomy

Understanding neuraxial anatomy is an essential part to successfully perform epidural and spinal (intrathecal) anesthetics. Here's a schematic outlining the layers we encounter when performing these procedures:
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