CanadiEM Podcasts: CRACKCast, ClerkCast, CarmsCast, First Year Diaries CRACKCast E006 - Shock
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Feb 8, 2016 Explore the five causes of shock and how lactate levels can inform management. Dive into SIRS, sepsis, and their severe forms, with essential diagnostic criteria. Discover the intricacies of early goal-directed therapy in septic patients, and learn about the complexities of cardiogenic shock management. Understand how cardiovascular obstructions affect blood flow, from pulmonary embolism to cardiac tamponade. Plus, memorable mnemonics help simplify the various types of distributive shock for critical care professionals.
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Shock Definition
- Shock is the transition between life and death, a widespread circulatory system failure.
- Mitochondria are the first to be affected by shock, acting as the "canaries in the coal mine."
Five Causes of Shock
- Remember the five causes of shock: hypovolemic, cardiogenic, obstructive, distributive, and cellular toxin-induced.
- Hemorrhagic shock is suspected bleeding/volume loss with at least four shock findings.
Obstructive Shock Approach
- Obstructive shock is any physical obstruction limiting cardiovascular flow. Consider global obstructions (e.g., tamponade), right-sided (e.g., PE), and left-sided (e.g., valvular) issues.
