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Effects of Scorpion Envenomation: A Personal Experience

This article discusses the effects of scorpion envenomation from Androctonus crassicauda, also known as the fat-tailed scorpion. It provides information on the distribution of this species, LD50 comparisons, grades of envenomation, and long-term health effects.

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Effects of Scorpion Envenomation: A Personal Experience

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

  2. 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

  3. Location Camp Buehring

  4. LD50 Comparisons (mg/kg) • 0.25 – Leiurus quinquestriatus (Deathstalker Scorpion) • 0.35 - 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)

  5. 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 Grades of Envenomation

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

  7. Questions?

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