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)
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. 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

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

7. Questions?