Page 79 - 2023 SMOG Digital
P. 79

CBRN


                BLOOD AGENT - CYANIDE

            Blood Agent–Cyanide   PPE and Detection   CRESS Symptomatic Presentation
               •  Hydrogen Cyanide, Cyanogen  •  Mask  C: altered or unconscious
                 Chloride         •  AP-PPE  R: normal to apneic
               •  volatile water-soluble liquid  •  JLIST or UIPE  E: normal unless vapor irritant
               •  vapor                     S: none
               •  Odor: Bitter Almonds  M8 Detection Paper   S: may appear flushed (50% occurrence)
                                  •  Does not detect
            HOT  ZONE   POI   Immediate Action + M 2  A 2  R 2  E.
                • address MASSIVE HEMORRHAGE / Mask check
                • assess AIRWAY / administer ANTIDOTE
                • asses RESPIRATIONS / conduct RAPID SPOT DECON
                • Extract (move upwind, uphill, upstream – away from
                 threat)
                                                      CYANIDE ANTIDOTE
                                                HYDROXOCOBALAMIN (Cyanokit®) IV/IO
                                                • 5g IV/IO over 5min with 200mL NS or LR or
                                                               L
                                                 D5W
                                                • Do not shake vial (gently mix)
               M 2  A 2  R 2  Reassessment (clear airway, O 2  as   • Do not use if solution is not dark red
                       s
                        s
            WARM  ZONE   DIRTY CCP   C  H  E  Remove and bag equipment, PPE, and clothing  • Maximum cumulative dose 10g
               needed, filtered air)
                                                • Repeat second 5g dose based on severity and
               Decontaminate and Cutout
                                                 clinical response
                 •
                   Evacuation from exposure + clothing removal is
                 •
                   adequate decon
                                                Antidote Considerations:
                   Can further decontaminate skin with irritation
                                                Decision to give in hot or warm zone is based on
                 •
                   solution, but priority is antidote
                                                clinical presentation. Unlikely to have diagnostic
                                                adjuncts (lactate, arterial/venous samples) prior to
                 2
                2
                                                cold zone. High concentrations of cyanide can
                • CIRCULATION (asses vitals, resuscitate) administer
                 COUNTERMEASURES (initial or second Cyanokit®)
                                                symptoms may include dizziness, headache,
                • Prevent HYPOTHERMIA / assess mental status (altered
                                                weakness, diaphoresis, and dyspnea / hyperpnea.
                 due to agent or trauma?) HEAD INJURY  result in death within seconds to minutes. Early
                • EVACUATE to next role of care/zone  CNS and cardiotoxicity occur due to intracellular
                                                hypoxia.
                                                • Consider amyl nitrite (0.3mL ampule)
                                                • If Cyanokit® (hydroxocobalamin) antidote is not
               MARCHE 2  Reassessment             available, aggressive supportive care may be
                • Continue to address any immediate life threats  sufficient treatment.
            COLD  ZONE  • continue CIRCULATION (monitor)t /                    CBRN
                • provide AIRWAY and RESPIRATORY support as
                 necessary, provide supplemental O2 even with normal
                 SpO2
                 COUNTERMEASURES 2 nd  dose as appropriate)
                • prevent HYPOTHERMIA with HPMK, warm fluids /HEAD
                 INJURY treat elevated ICP, conduct neuro exam, MACE
               Anticipate hemodynamic compromise, seizures, cardiac
               arrhythmiasReassess regularly, follow protocols for
               respiratory or cardiac compromise.
                                                                        79
   74   75   76   77   78   79   80   81   82   83   84