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Anaesthesia - MCQ Bank Forum Hot - Unasnwered
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Quick Scroll 06.22.06 (2 years ago) #11
increasing the pH of LA solution diffusion across the cell membrane is hastened
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Quick Scroll 06.23.06 (2 years ago) #12
thakurda wrote:
increasing the pH of LA solution diffusion across the cell membrane is hastened
decrese in the pH decreses diffusion across the cell membrane & abcess has low ph
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Quick Scroll 06.23.06 (2 years ago) #13
Formulations of carbonated LA are the result of this very kinetic of the local anaesthetics! icon_confused.gif
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Quick Scroll 07.26.06 (1 year ago) #14
LOCAL ANAESTHETICS ARE INEFFECTIVE IN INFECTED TISSUE
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Quick Scroll 07.26.06 (1 year ago) #15
Local anaesthetics block action potential generated by blocking Na+ channels
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Quick Scroll 07.26.06 (1 year ago) #16
ujwals wrote:
thakurda wrote:
increasing the pH of LA solution diffusion across the cell membrane is hastened
decrese in the pH decreses diffusion across the cell membrane & abcess has low ph


you are absolutely correct about pH of an abscess icon_wink.gif and that is the precise reason LA are not effective when injected in the infected tissue icon_idea.gif
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Quick Scroll 08.08.06 (1 year ago) #17
i got a got in cross its given affect of LA IS MOST ON C . .. but ajiay yadav says its B WHAT TO FOLLOW
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Quick Scroll 08.28.06 (1 year ago) #18
qudrat wrote:
LOCAL ANAESTHETICS ARE INEFFECTIVE IN INFECTED TISSUE


well not exactly! they are less effective and the carbonated LA formulations are attempts to overcome this problem.
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Quick Scroll 11.25.06 (1 year ago) #19
lady allergic 2 lidocaine, will do vulval biopsy, wht u give her?
a topical prilocaine and lidocaine
b prilocaine infiltration
c bupivacaine
d no anesthesia

what is the correct answer here?
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Quick Scroll 11.25.06 (1 year ago) #20
allergy to lidocaine rules out the choice a)
bupivacaine may be used and is easily available
prilocaine may be used (availability ?)
no Anaesthesia is not humane
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