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The Shock Index



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Why the Shock Index? Listen here and review the content before heading back to the rest of the PDA learning space.

Enhanced Digital Content

Use this learning space in two ways. As an online course, scroll down and enter the online learning space. Explore each section below, or use the navigation tool to go directly to the content you’re interested in. Then, use this enhanced digital content in one of our pop-up physical spaces for hands-on procedure training, skills challenges, and expert coaching.


Nearly 25% of patients who are hemodynamically stable prior to intubation get post-intubation hypotension (PIH) after rapid sequence intubation. The Shock Index (SI) is easy to calculate and shown to be a strong predictor PIH.

Heffner A, Swords D, Nussbaum M, Kline J, Jones A. Predictors of the complication of postintubation hypotension during emergency airway management. J Crit Care. 2012;27(6):587-593. [PubMed]

Keep yourself on track and get credit for completion using this guide.

  1. Open the guide to a tab on your browser.
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  3. Complete any challenges to earn points.


What’s Next


Congratulations! You’ve completed this section of the learning space. Collect all the available points before moving on to the next poster to explore all the interactive and hands-on learning opportunities. 

If you’re using this only as an online course, use the link below to return to the Physiologically Difficult Airway digital home page. Otherwise, stop and find the next poster shown above.

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