primary shock


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pri·mar·y shock

shock mainly nervous in nature, from pain and anxiety, which ensues almost immediately on receipt of a severe injury.

primary shock

a state of physical collapse comparable to fainting. It may be the result of slight pain, such as that produced by venipuncture, or may be caused by fright. Primary shock is usually mild, self-limited, and of short duration. Severe injury may prolong and merge primary shock with secondary shock. Compare hemorrhagic shock.