peds80 Flashcards
management of dog bite wounds
sutured; also give antibiotics like amoxicillin-clavulanic acid; tetanus prophylaxis if needed
victims of cat bites have a high risk of infection of what orgnism?
P. multicoda
cat scratch disease
regional lymphadenitis
metcarpophalyngeal joint
remember three phalanges and then the metacarpal
infections in human bites
infecton rate is high! Mixed bacterial infection is often present; other systemic infections like hep B, HIV, and syphillis may be transmitted
black widow spider- what does it look like
red or orange hour glass marking on its ventral surface
clinical features of a black widow spider bite
few local sx except for burning or a sharp pinprick; pathognomonic sx are severe htn and muscle cramps
management of black widow spider bite
local wound care (tetanus if needed); benzos or narcotics to relieve muscle cramps; lactrodectus antivenin is given for signs and sx suggestng severe envenomation
brown recluse spider- what does it look like?
brown violin shaped marking on the dorsum of the thorax
brown recluse spider bite clinical features
cytotoxic compound that destroys the tissues; bite initially little pain then 1-8 hrs later, a painful itchy papule that increases in size and discolors during the course of 3-4 days develops
systemic symptoms in brown recluse spider bite
may develop 24-48 hours after the bite
management of recluse spider bite
wound care and tetanus prophylaxis if needed; there is no antivenom
pit viper snake bite
venom is a mixture o proteolytic enzymes; local puncture marks and progressive swelling and ecchymosis
systemic effects of pit viper snakes
paresthesias of the scalp, periorbital fasciculations, weakness, diaphoresis, dizziness, nausea, and a metallic taste in the mouth; coagulopathy, thrombocytpenia, hypotension, and shock also
management of pit viper snake bite
immediate transport to closest Er; use crotalidae polyvalen antivenin within 4-6 hours; kids need more
complications of the pit snake antivenin
common; serum sickness and anaphylaxis
coral snake venom
neurotoxic venum; mild local swelling and severe systemic sx (paresthesias, vomiting, weakness, diplopia, fasciculations, confusion, resp distress)
management of coral snake bite
antivenon, local wound care, and supportive care
Ziehl-Neelson stain
for acid-fast bacili