≡ Menu

Centuroides spp

Describe important clinical features of Centuroides Exilicauda and Sculpuratus and  (common name, features, pathophysiology, and treatment).

  • Common name: bark scorpion
  • Distributed in the Southwest US and Mexico
  • Fluoresces with a black light
  • Neurotoxin 1-4 cause membrane depolarization of neurons; the venom also contains hyaluronidase, phospholipase, and acetylcholinesterase
  • Grading scale for envenomation
    • 1: Paresthesias at bite site, positive “tap” test
    • 2: Paresthesias at sites remote from the bite
    • 3: Cranial nerve symptoms OR peripheral neuromuscular junction (NMJ) dysfunction (eg shaking).
    • 4: Both cranial nerve symptoms AND peripheral NMJ symptoms
  • Patients with 3 or 4 should get antivenom, as should high risk patients such as pregnant patients to prevent preterm labor

Charles & Clint [CC BY 2.0 (https://creativecommons.org/licenses/by/2.0)]

Next post:

Previous post: