To lose oxygen as from not breathing. Desat is short for desaturate. Oxygen gets less and less and if oxygenation isn't restored either by the patient, CPR, or a ventilator, the patient will die. Desat is commonly used in the hospital when talking about a patient who's oxygen saturations are going down as seen on a pulse oximeter and/or arterial blood gas.
I can't breathe. I need oxygen or I will desat. All right. Let's get some oxygen going in by Non-rebreather at 90%
by ventilator96 November 8, 2009
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Get the dtat mug.An acronym for "don't talk about this". Used to evade a question or completely shut down a conversation.
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Get the DTATM mug.The store shelves are empty and I cannot wear my drag outfit to Disney's Gay Days pride event, Thank you Ron Desatan.
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Get the Desatan mug.Kid: Yo I have the craziest dreams in Social Studies class. One time, I was sleeping, and I had this dream that the school's new wing was dis...dis...disattached from the rest of the school, and we had to, like, swim across to get to the other side. It was crazy!11
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