Identifying Shock Flashcards by john mason | Brainscape

Q

A small oxygen extraction ratio rules out a shock state? T/F?

A

False

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Q

A MAP >= 65 ensures that oxygen delivery to organs and tissues is sufficient to meet metabolic needs? T/F

A

False

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Q

Shock Index = HR/SBP

A

Normal < 0.7
>1.0 = most specific indicator of hyperlactemia and 28 day mortality
>0.8 = predicts post-intubation crash, need more resus

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Q

Lactate Acid Value

A

Indicative of catecholamine response to physiologic stress
Lactate of >4 is suggestive of shock
Normal values do not rule out shock
Useful in trending response to treatment over time

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