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Blood/Systemic Agents (Knockdown Syndrome Agents)

Blood/systemic agents are poisons that affect the body by being absorbed into the blood. Chemicals such as hydrogen cyanide, hydrogen sulfide, and phospine cause rapid loss of consciousness and collapsing, seizure, hypotension and cardiac arrest, also known as Knockdown Syndrome.

Information from Other Resources

Resource Comparison

Information from CDC, WISER, and CAMEO
Emergency Response Safety and Health Database (CDC/NIOSH) Arsine (SA) Cyanogen Chloride (CK) Hydrogen Cyanide (AC) Potassium Cyanide Sodium Cyanide WISER (NIH/NLM) Arsine Carbon Monoxide Hydrogen Cyanide Potassium Cyanide Sodium Cyanide CAMEO (EPA, NOAA) Arsine Cyanide Solution, N.O.S Cyanogen Chloride, Inhibited Hydrocyanic Acid Solution Potassium Cyanide Sodium Cyanide Sodium Fluoroacetate	Medical Management Guidelines for Acute Chemical Exposures (CDC/ATSDR) Arsine Hydrogen Cyanide Chemical Emergencies (CDC) Toxic Syndrome Description: Arsine or Stibine Poisoning (Signs and symptoms, differential diagnosis) Arsine (and Stibine) Carbon Monoxide Cyanide Sodium Monofluoroacetate

Additional Resources:

ChemIDplus - Chemical dictionary, structures, and links to many Internet resources (NIH/NLM)
Arsine, Carbon Monoxide, Cyanide, Cyanogen Chloride, Hydrogen Cyanide, Potassium Cyanide, Sodium Fluoroacetate

Hazardous Substances Data Bank - Comprehensive, peer-reviewed toxicology data (NIH/NLM)
Arsine, Carbon Monoxide, Cyanogen Chloride, Hydrogen Cyanide, Potassium Cyanide, Sodium Cyanide, Sodium Fluoroacetate

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