Anesthetics

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Author:
Christyna
ID:
45319
Filename:
Anesthetics
Updated:
2010-10-26 22:35:13
Tags:
pharm
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Description:
exam 3
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  1. general anesthesia
    • IV: induction/induced
    • Inhalation: maintains the sedation
  2. Local anesthesia
    • infiltration: stitches/sutures; dentist
    • regional blocks: spinal, epidural
  3. benzodiazepines
    midazolam (Versed)-causes amnesia so pt can't recall what happened
  4. general drugs
    • opiates, barbituates, hypnotics (to get tubes down),
    • Anesthetic :propofol (Diprivan) <--needs to be aseptic technique; short half life to "bring pt up"
  5. inhaled anesthetics
    • for maintenance
    • usually given neuromuscular blocker (Dantrium) to achieve muscle relaxation & paralysis since inhaled doesn't turn motor function
    • "ane" family
    • SE: Malignant hyperthermia
  6. Malignant hyperthermia
    • genetic disorder
    • s/sx: ^ temp., muscle pain/breakdown, dark brown urine d/t myoglobinuria from muscle breakdown, bleeding. Dantrum works on muscles to relax them
  7. Conscious sedation
    • "twilight sleep"
    • primary goal: reduce pts anxiety & discomfort
    • used for diagnostic & endoscopic procedures (colonoscopy, etc. )
    • Ramsay level 2-4
    • light sedation
    • 30-90 min waking (recovery)
  8. dissociative anesthesia
    • "dissociated from self"
    • don't loose motor function
    • uses for burn dressing change
    • SE: hallucinations
    • ketamine (Ketalar) used at vets for animals
  9. Local anesthetics
    • affect autonomic, sensory, motor fibers IN THAT ORDER
    • with recover IN REVERSE ORDER
  10. local anesthetic drugs
    • "caine" family
    • lidocaine (Xylocaine)-most commonly used
    • cocaine-used in ENT as topical. causes intense vasoconstricitoin
    • benzocain-used for sunburns
  11. Biggest SE of anesthetics
    • sick to stomach
    • antiemetics usually given
  12. neuromuscular blocking agents
    • depolarizing: succinylcholine (used to get tube down)
    • non-depolarizing: curonium. ANTIDOTE: anticholinesterase such as neostigmine

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