ANALGESIA Flashcards

1
Q

Endophorin

A

mu

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2
Q

Dynophorin

A

Kappa

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3
Q

Enkephalin

A

Delta

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4
Q

Nociceptin

A

Orphan FQ receptor

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5
Q

If morphin is given orally

A

Absorption is slow as morphine undergoes extensive first pass metabolism

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6
Q

Morphine adverse effects:

A
  1. Nausea
  2. Vomiting
  3. Dizziness
  4. Mental Clouding
  5. Respiratory depression
  6. Urinary retention
  7. Hypotension
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7
Q

Withdrawal symptoms of sudden cessation of opioids:

A
  1. Drug seeking behavior
  2. Yawning
  3. Lacrimation
  4. Sweating
  5. Restlessness
  6. Mydriasis
  7. Tremors
  8. Nausea
  9. Tachycardia
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8
Q

1 mg of methadone is substituded to

A

4 mg of morphine

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9
Q

Methadone is gradually reduced and stopped within

A

10 days

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10
Q

1/10th as potent as morphine.

A

Pethidine

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11
Q

Less spasmodic action in smooth muscles

A

Pethidine

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12
Q

Pethidine has rapid and short duration of action

A

2-3 hours

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13
Q

Hass vagolytic effect and less histamine release safer for asthmatics

A

Pethidine

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14
Q

100x more potent than morphine

A

Fentanyl

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15
Q

Higly lipid soluble and fast acting

A

Fentanyl

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16
Q

Increases intracranial pressure

A

Fentanyl

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17
Q

Fentanyl is combine with what to produce neuroleptanalgesia

A

Droperidol

18
Q

Synthetic centrally acting analgesia indicated to moderate and moderately severe pain

19
Q

Used in the treatment of labor and cancer pain

20
Q

Inhibits reuptake of serotonin and noreinephrine

21
Q

Competitive against of all tyes of opioid receptors

22
Q

Blocks u-receptors at much lower dosr

23
Q

Naloxone is always injected at IV of

A

0.4 to 0.8 mg

24
Q

Analgesics adverse effects:

A
  1. Epigastric distress
  2. Photosensitivity
  3. Haemolysis
  4. Nephrotoxicity
  5. Reye’s syndrome
    6 . Salicylism
  6. Acute salicylate intoxication
25
Salicylates are metabolised in the liver by
Glycine and glucoronide conjugation
26
What should the analgesic dose be
600 mg 3x a day
27
Analgesia contraindications:
1. Petic ulcer patients 2. bleeding disorder 3. Chronic liver disease 4. Pregnancy
28
It raises pain threshold
Paracetamol
29
Has Weak peripheral anti-inflammatory component
Paracetamol
30
Has poor ability to inhibit COX in the presence of peroxide
Paracetamol
31
One of the best drug to be used as antipyretic
Paracetamol
32
Paracetamol dose
500-1000 mg TDS
33
Better tolerated alternative to pain
Ibuprofen
34
Ibuprofen is contraindicated to
Petic ulcer and pregnancy
35
Selectively COX-2 inhibitor
Nemuslides
36
Primarily for short lasting painful inflammatory like sports injuries and sinusitis
Nemuslides
37
Dose of nemuslides
100 mg daily
38
NSAIDS for mile to moderate pain with little inflammation
Paracetamol or low dose ibuprofen
39
NSAIDS for acute muscoskeletal/injury associated inflammation
Diclofenac and ibuprofen
40
Exacerbation of acute pain-high dose
Aspirin and indomethacin
41
NSAIDS for severe pain
Asiprin or combination with narcotic drug