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19 Cards in this Set
- Front
- Back
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What are the two blood agents?
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Hydrogen Cyanide (AC)
Cyanogen Chloride (CK) |
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Are blood agents persistent or nonpersistent?
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Nonpersistent
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Discribe physical qualities of AC.
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Colorless
Volatile liquid Bitter almonds |
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Describe physical qualities of CK.
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Colorless
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What enzyme does AC combine with? What is the result?
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Cytochrome oxidase
Blocks the electron transport system. |
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What is the usual cause of death of AC?
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Respiratory failure.
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Which blood agent attacks the respiratory tract?
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CK
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Does AC act slowly or quickly? Is recovery slow or quick?
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Both are rapid. Death is rapid, recovery in a few minutes?
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Describe symptoms of high exposure to AC.
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Increased respiration in seconds, convulsions in 20-30 sec, cessation of breathing in 1 min, cardiac failure in a few minutes
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Describe moderate exposure to AC.
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Weak legs, vertigo, nausea, headache.
Then convulsions / coma (hours or days). CNS damage. |
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Describe mild exposure to AC.
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Headache, vertigo, nausea for hours then recovery
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Describe the symptoms of CK in general.
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Systemic results of AC + lung irritant.
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Describe exposure to CK in detail.
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Irritation of nose, throat, and eyes -> coughing, chest tightness, lacrimation.
Dizzy / dyspneic Uncoscioiusness, failing respiration Death in a few minutes |
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If CK is not fatal, what is the result.
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Pulmonary edema.
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What is the common color of casualty skin after exposure?
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Pink
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Will CNS be damaged more due to AC or CK exposure?
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CK
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What should be administered as treatment?
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Sodium Nitrite
10 ml of 3% solution (300mg) over 3 minutes Sodium Thiosulfate 50 ml of 25% solution (12.5 gm) over 10 minutes |
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What does the sodium thiosulfate prodouce?
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methemoglobin
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What indicates a good degree methemoglobin production?
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A "slight" degree of cyanosis
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