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Flashcards in Arthropods and Envenomations Deck (5):

Where can you find widow spiders (latrodectus species) in the USA?

All states except Alaska


How does latrodectotoxin effect neurotransmitters?

It causes massive neurotransmitter release.


What is latrodectism?

Systemic toxicity from latrodectus species. Myopathic syndrome, facies latrodectismica, pavor mortis.


What is "facies lactrodectimica?"

Can be part of latrodectism constellation of symptoms. Facial symptoms: trismus, contorted face, conjunctivitis, and diaphoresis.


Indications for latrodectus antivenom and associated risks of antivenom administration?

Severe symptoms, respiratory depression, and priapism. Antivenom is associated with anaphylactic, anaphylactoid reactions, and serum sickness.