sigh
Forum Guru
Topics: 36
Posts: 461
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Halloween time!  I just found out that step 1 has at least 2 questons about spiders.  I would like invite everyone to talk about them here. I think I know nothing about thise creatures.
1. I remember from USMLE world that spider bite causes coagulation necrosis (though we see this after any injury)
2. I know that you can die from Black Widow spider and her venon is neurotoxin.
So, everyone is welcome to share your knowledge...
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Forum Guru
Topics: 36
Posts: 461
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OK, continue my monolog...
-Arachnophobia-...
-Spidar venom containes a lot of bio active substances like GABA, enzymes and special protein molecules which have lethal effect.
-A lot of misdiagnosed cases...
- In the U.S. most common: Black widow and brown or violin (b/w dangerous ones)
Of course, California, Arizona, Florida
- Black widow spider: the bite not always felt, edema, redness, 2 tiny red spots (important- 2 spots)
General: HTN, fever, chills, nausea, weakness,paralysis, muscle spasm - mostly abdomen which described "board like", hyperreflexia, urinary retention, constipation, burning sensation of skin
Treatment: antitoxin
- loxosceles sp. : pain after 2-3 h, blister, then ulcer
Can be rash like Scarlet fever, hematuria
Treatment effective only if started in the first 24h, local excision of wound, steroids
- Peckham : sharp pain, wheal, edema
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Forum Guru
Topics: 36
Posts: 461
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So far 20 person read this post and nobody seems to be interested in spiders...pretty scary...at this time I don't see any sense to post the actual questions...so I rest my case.
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Forum Newbie
Topics: 1
Posts: 9
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good job continue with the good work
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