Mark I NAAK

The Mark I NAAK, or MARK I Kit, is United States military nomenclature for the "Nerve Agent Antidote Kit". It is a dual-chamber auto-injector: Two anti-nerve agent drugs -- atropine sulfate and pralidoxime chloride -- each in injectable form, constitute the kit. The individual using the kit places each injector against his thigh and presses a button, releasing a sprung needle which is designed to penetrate clothing.   Typically, U.S. servicemembers are issued three MARK I Kits when operating in circumstances where chemical weapons are considered a potential hazard. Along with the three kits are issued one CANA (Convulsive Antidote, Nerve Agent) for simultaneous use. (CANA is the drug diazepam or Valium, an anticonvulsant.) Both of these kits are intended for use in "buddy aid" or "self aid" administration of the drugs prior to decontamination and delivery of the patient to definitive medical care.

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A newer model, the ATNAA (Antidote Treatment Nerve Agent Auto-Injector), has both the atropine and the pralidoxime in one syringe, allowing for simplified administration.

References

U.S. Army Medical Research Institute of Chemical Defense, Medical Management of Chemical Casualties Handbook, Third Edition (June 2000), Aberdeen Proving Ground, MD, pp 118-126.