Hello, students in residence. My name is Mike Estefan and I thank you for joining me today for this month's deep dive episode on the EM Clerkship podcast.

This month's deep dive is going to be an overview of shock. But before we begin, just a quick word from our sponsors over at Pearson Rabbits.

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And now, back to the episode.

Shock.

If you ask five different physicians what their definition of shock is, you may get five different answers.

Some may say hypotension.

Some may say persistently elevated lactate.

And while most of the time these answers are somewhat correct, it really

isn't the most accurate and the most encompassing definition. To me, shock simply isn't a

specific number cut off on your vital signs or the result of a blood test. To me, shock is a physiologic state of systemic hypopurfusion,

meaning the organs and tissues in the body are not receiving adequate blood flow to oxygenate and perfuse.

And yes, most of the time the patient will be hypotensive, but not always.

Compensated shock is a thing. Now, let's talk

dirty for a minute or two. And by talk dirty, I mean talk about the physiology of shock. This is a

total throwback to early medical school. Early on in shock, in the early stages of tissue hypopersusion, the body is usually able to

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