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Anesthesiology Midterm II > Avian Anesthesia > Flashcards

Avian Anesthesia Flashcards

1
Q

Which 2 complications do birds not tolerate well?

A

apnea

bradycardia

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2
Q

Which respiratory organ do birds not have?

A

diaphragm

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3
Q

Which organ is used for ventilation?

A

expandable air sac system

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4
Q

Which organ is used for gas exchange?

A

rigid lungs

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5
Q

Birds have pneumonic bones, but which bones can you do intraosseal injections?

A

ulna & tibiotarsus

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6
Q

How many respiratory cycles are needed for a complete breath?

A

2

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7
Q

What is the dive response?

A

a stress response causing bradycardia & apnea for up to 5 minutes, which can be prevented by premed

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8
Q

What is different about their CV system?

A

larger heart, lower HR, higher BP, higher CO

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9
Q

Why should you NOT give drug into legs?

A

bc kidneys receive venous blood from legs, so the drug would get metabolized & decrease its potency

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10
Q

Which emergency drugs MUST be drawn up?

A

Atropine & Epinephrine

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11
Q

How long should small birds be fasted for?

A

n/a

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12
Q

How long should large birds be fasted for?

A

8-12 hours

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13
Q

Where would you do SC injection?

A

back btwn wings, wing web, leg web, inguinal skin fold

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14
Q

Where would you give IM injection?

A

pectoral & thigh

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15
Q

Where would you give IV injection?

A

ulnar, dorsal metatarsal, jugular v

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16
Q

What are the possible drug combinations for premed?

A

opioid alone

opioid + benzodiazepine

17
Q

What drug is used w premed for aggressive sps? W what side effect?

A

alpha 2 agonist

CV side effects

18
Q

Which opioid is most commonly used & why?

A

Butorphenol bc there are more kappa receptors

19
Q

How is induction most commonly achieved?

A

inhalation mask w sevo

20
Q

What structure is missing in the bird, which makes it easier to intubate?

A

no epiglottis

21
Q

What is different about using an ETT in birds?

A

they have complete tracheal rings so the cuff should not be inflated

22
Q

What is different about the MAC?

A

isn’t appropriate bc birds do not have alveolar lungs, so use Minimum Anesthetic Concentration

23
Q

What is the maximum recommended dose of Lidocaine?

A

4 mg/kg bc toxic in small birds

24
Q

Lidocaine toxicity can cause what?

A

seizures & cardiac arrest

25
Q

What is different about the bird EKG?

A

depolarization is from apex to base, to the S wave is negative

26
Q

What device should be used to assess oxygenation & why?

A

arterial blood gas bc birds have nucleated RBCs, so pulse ox is inaccurate

27
Q

What is the normal temperature range?

A

99-107.6

28
Q

What are some signs of pain?

A

crouching, immobility, failure to dust bath, under grooming feather, over grooming feather, separated from flock

29
Q

What is the problem w using NSAIDs?

A

potentially toxic drugs

Anesthesiology Midterm II (9 decks)

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