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==References==
==References==
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==Review Questions==
<quiz display=simple>
{Environmental emergencies question – Regarding black widow and brown recluse spider envenomations, which of the following is FALSE?
|type="()"}
-Black widow spiders (BWS) are found in the temperate regions of six continents and are widespread through North America, including the western United States (California included).
-Signs and symptoms associated with BWS (e.g. diffuse pain, muscle cramps, tachycardia, and hypertension) usually develop begin within 30 to 120 minutes of the envenomation.
-After antivenom for BWS is administered, symptoms typically resolve within 30 minutes, with complete relief within 2 hours.
+Brown recluse spider (BRS) envenomation is most common in west coast states, such as California.
||'''Harwood-Nuss – 1734-1739. Although BWS occur in Southern California, BRS are most common in the southern Midwestern states (but not California). Note that BRS have more local toxicity with eschar formation and necrosis, and these should not be debrided or excised. BRS may result in hemolysis and rhabdomyolysis. There is no antivenom available for BRS in the US, but there is one for BWS, which manifest severe life-threatening systemic signs.'''
-Most bites from BRS have a benign clinical course, but necrosis with induration and eschar formation may occur, and systemic effects, such as fever, chills, headache, malaise, arthralgia, and myalgias progress after more than 24 to 48 hours and resolve by 72 to 96 hours post bite.
</quiz>


[[Category:Environmental]]
[[Category:Environmental]]
[[Category:Toxicology]]
[[Category:Toxicology]]

Revisión del 10:46 4 ene 2017

Types

Differential Diagnosis

Envenomations, bites and stings

See Also

References

Obtenido de «https://www.wikem.org/w/index.php?title=Spider_bites&oldid=117025»