study_ing
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1 a..
if tinnitus think of
salicylate
quinine
if pt has dz with pain eg RA
think salicylates.
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| study_ing
Forum Fanatic
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2. pupils
dilation
anticholinergic ( eg tca)
miosis
Opiods
any one wants to add here ?
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| study_ing
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http://www.prep4usmle.com/forum/comments.php?id=3...=
my summary--confusion
1.CN
2. isosorbide
3.meth hb
antidotes? side effects?
1. an iatrogenic source of CN is NITROPRUSSIDE THERAPY
treatment includes thiosulfate
or induction of methHB as it wud prevent binding to cytochrome.
ISOSORBIDE dinitrate has METH Hb as a side effect.
however Meth HB excess is toxic too.
Administer cyanide antidotes (sodium nitrite and sodium thiosulfate) as soon as possible, taking care not to create toxic methemoglobinemia. Do not delay treatment for confirmatory RBC cyanide levels
for that use methylene blue, ascorbic acid..
The best way to distinguish stimulant from anticholinergic overdose is the
skin
sweaty with stimulants
dry with anticholinergics
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