Anesthesia Misc MT

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HLW
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140267
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Anesthesia Misc MT
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2012-03-07 11:53:46
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Anesthesia Misc MT
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Anesthesia Misc MT
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  1. Advantages of Midazolam over Diazapam: (5)
    • Shorter action
    • Water Soluble (IM)
    • No Pain
    • No Thrombophlebitis
    • Can be used as CRI
  2. Advantages of Diazapam:
    • Negligable CV Fx
    • Anxiolystic- Sedation (dep on Dose)
    • Anticonvulsent
    • Muscle Relaxant
  3. Advantages of Ace (5):
    • Synergistic action with other sedative and anesthetic drugs
    • Safe drug at normal clinical doses
    • Anti-arrhythmic & Anti-emetic
    • Spasmolytic
    • Inexpensive
  4. Disadvantages of Ace(4):
    • Hypotension – more frequent @ high doses, and unstable animals
    • Slow in onset – 20 minutes
    • Long acting – especially at higher doses
    • Cutaneous vasodilation may predispose to Hypothermia
  5. List 5 contradictions when ACP must NOT be used.
    • In hypovolemic or shocked animals (drops pcv & hypotension)
    • Animals with impaired liver function (takes a while to clear)
    • Anemic animals
    • Breeding stallions currently in work (penile paralysis)
    • High seizure risk
  6. Side Fx of Opiods (9):
    • Respiratory depression
    • Bradycardia
    • Reduced gut motility
    • Urinary Retention
    • Vomiting / defecation
    • Potential for excitement or dysphoria, esp. cats and horses
    • Histamine release
    • Anti-tussive effects
    • Biliary stasis / sphincter closure
  7. Major contraindications for a2’s (4):
    • HYPOTENSION
    • HYPOVOLEMIA
    • Myocardial disease, liver failure, urinary obstruction
    • Cows in the last trimester of pregnancy
  8. Advantages of benzodiazapams (6):
    • Minimal Cardiovascular depression
    • Anxiolysis at low doses and sedation at higher doses
    • Potent anitconvulsant
    • Muscle relaxant
    • Rapid onset
    • FLUMAZENIL is a Benzodiazepam antagonist, but rarely is required
  9. Disadvantages of Benzodiazapams (4):
    • Dysphoria, particularly in young healthy animals
    • Painful on IV, IM injection and may cause thrombophlebitis
    • Variable response
    • Reacts with other drugs and plastic syringes so can’t administer by controlled rate infusion
  10. List 4 indications for administration of anticholinergics for premedication:
    • Used to decrease salivation
    • Used to inhibit Vagally induced bradycardia
    • Used to reverse neuromuscular blockade, in combination with anti-cholinesterases
    • Some like to administer pre-emptively in brachycephalic breeds (pugs, bulldogs) which are prone to vagally-mediated bradycardia.
  11. Benzodiazepine antagonists (2):
    • Fumazenil
    • Sarmazenil
  12. Feline OVH Analgesic
    • Morphine
    • Ace
    • Carprofen
  13. Canine Castration Analgesic
    • Butorphanol + Medetomidine + Dericoxib
    • Butorphanol + Ace + Meloxicam
    • Buprenorphine + Ace + Carprofen
    • Morphine + Glycopyrrolate + Meloxicam

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