Envenomation & Arthropod Bites Flashcards
envenomation that destroys tissue cells
cytotoxic
envenomation that interrupts nerve condition resulting in paralysis
neurotoxic
what 3 things does the extent of envenomation depend on?
amount of venom injected
location
size of patient
“red touches yellow, kills a fellow” snake
coral snake
what type of envenomation occurs with coral snakes?
neurotoxic
a patient presents with progressive paralysis. what likely bit them? what is the treatment (6)?
coral snake
limb immobilization
Australian pressure wrap
antivenom
antibiotics
+/- intubate
+/-tetanus
what type of envenomation occurs with a pit viper?
cytotoxic
a patient presents with pain, swelling, and erythema/hyperpigmentation. what likely bit them? what is the treatment (4)?
pit viper
limb immobilization
antivenom
antibiotics
+/- tetanus
what procedure may be done with a pit viper bite to prevent compartment syndrome and tourniquet affect?
fasciotomy
3-10mm spider with hourglass coloring
black widow
a patient presents with small puncture holes + slight erythema and pain. they report generalized myalgias, muscle cramps and rigidity. what bit them? what’s the treatment (4)?
black widow
antivenom
pain meds + muscle relaxants
antibiotics
+/- tetanus
5-20 mm spider with a fiddle on its back
brown recluse
a patient presents with small puncture holes with slight erythema and pain that leads to tissue necrosis. what bit them? what’s the treatment (5)?
brown recluse
surgical excision of necrosis
steroids
antibiotics
dapsone + colchicine
+/- tetanus
a patient presents with erythema and local pain +/- paresthesia, agitation, fasciculations, vision changes, and dysphagia. what bit them? what’s the treatment?
bark scorpion
manage pain + symptoms
antivenom
+/- tetanus
