Effects of Scorpion Envenomation from Androctonus crassicauda: A Personal Experience CPT Stephen D. Garvin Entomological Sciences Division USACHPPM-South Fort McPherson, GA 30281

Fat-tailed Scorpion (Androctonus crassicauda) Family: Buthidae Genus: Androctonus Species: crassicauda Distribution: Turkey, Syria, Jordan, Iraq, Iran, Kuwait, Saudi Arabia, Israel, Egypt, Sudan and Morocco

Location Camp Buehring

LD50 Comparisons (mg/kg) 0.25 – Leiurus quinquestriatus (Deathstalker Scorpion) Androctonus crassicauda (Fat-tailed Scorpion) 0.35 – Ophiophagus hannah (King Cobra) 0.9 – Latrodectus mactans (Black Widow Spider) 1.9 – Crotalus adamanterus (E. Diamondback Rattlesnake) 10.5 – Agkistrodon contortrix (Copperhead Snake)

Grades of Envenomation Grade I Envenomation –Local pain at site of sting Grade II Envenomation –Tachycardia –Mild hypertension –Nausea and vomiting Grade III Envenomation (antivenom given) –Blurred vision –Hypersalivation –Trouble swallowing Cranial Nerve Dysfunction –Upper airway problems –Slurred speech –Restlessness –Jerking of extremities –Involuntary shaking Skeletal Neuromuscular Dysfunction –Moderate to severe hypertension –Cardiac dysrhythmias –Myocardial ischemia Cardiovascular Dysfunction –Pulmonary edema –Unconsciousness Grade IV Envenomation –Any combination of Cranial Nerve Dysfunction, Skeletal Neuromuscular Dysfunction, or Cardiovascular Dysfunction

Long-term Health Effects 1 week –Headache –Nausea –Lack of appetite –Physical and Mental Lethargy 2-3 weeks –Headache –Nausea 3 weeks+ –None

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