Introduction to Anesthesia Flashcards

1
Q

Define anesthesia

A

A loss of feeling or sensation.

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2
Q

Define general anesthesia

A

Surgical anesthesia; unconsciousness with analgesia

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3
Q

Define analgesia

A

Free of pain; relief from pain

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4
Q

Define hypnosis

A

A state of artificially induced sleep or trance

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5
Q

What anesthetic plane do we want to maintain for surgery?

A

Moderate surgical anesthesia

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6
Q

What are four uses for anesthesia?

A
  1. Restraint
  2. Procedures
  3. Surgery
  4. Euthanasia
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7
Q

What are the characteristics of the “perfect” anesthetic agent?

A
  • would not cause side effects
  • rapid induction & recovery
  • won’t irritate tissues
  • inexpensive
  • stable, nonflammable, nonexplosive
  • requires no special equipment
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8
Q

What are the four classifications for anesthetic agents?

A
  1. Route of administration
  2. Time point at which they are administered
  3. Principle effect
  4. Chemistry
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9
Q

How are anesthetic agents eliminated from the body?

A
  • exhaled
  • urine/feces
  • diffusion through mucous membrane
  • reversal agent
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10
Q

Which is safer: inhalant or injectable anesthetic agents?

A

Inhalant

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11
Q

What percentage of anesthetic agents are eliminated through urine/feces?

A

75%

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12
Q

Who determines which anesthetic agent is used?

A

The veterinarian

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13
Q

What are four different anesthetic techniques?

A
  1. Sedation/Tranquilization
  2. Topical/Local
  3. Regional (ex. Epidural)
  4. General (ex. surgery)
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14
Q

What does the acronym DEA stand for?

A

Drug Enforcement Administration

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15
Q

What is the ranking for controlled substances, from most likely to be abused to least?

A

I, II, III, IV, V

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16
Q

Which schedule is not used in normal veterinary practice?

A

Schedule I

17
Q

What are four considerations when dealing with controlled substances?

A
  1. Record Keeping
  2. Ordering
  3. Storage
  4. Prescribing
18
Q

What anesthetic procedure is considered “safe”?

A

There are no safe anesthetic procedures.

19
Q

What are the components of balanced anesthesia?

A
  • Pre-Anesthesia
  • Induction
  • Maintenance
  • Recovery
20
Q

Define balanced anesthesia

A

Giving a combination of drugs to maximize their therapeutic benefits while minimizing their adverse effects

21
Q

What must be collected/performed prior to any anesthetic procedure?

A
  • Consent to treat forms
  • Procedure forms
  • Complete physical exam
  • Minimum database
  • Withhold food & water
  • IV catheter placement
  • Pre-anesthetic drugs
  • Staff preparation
22
Q

At what point is a patient considered geriatric?

A

75% of their life expectancy

23
Q

How does the organ function of a geriatric patient compare to younger patients?

A

Organ function is reduced

24
Q

What are some considerations for geriatric patients?

A
  • less able to maintain hydration status
  • decrease the amount of anesthetic agents
  • response time slower
  • recovery period prolonged
  • reduced ability to regulate temperature
25
Q

At what point are patients still considered pediatric?

A

3 months and under

26
Q

What issue are pediatric patients prone to due to fasting?

A

Hypoglycemia

27
Q

What are some considerations for pediatric patients?

A
  • reduce the amount of anesthetic agent
  • endotracheal tube placement
  • hypothermia
28
Q

What are some considerations for brachycephalic patients?

A
  • Elongated soft palate, small diameter trachea
  • High parasympathetic tone = bradycardia
  • Preoxygenate
  • leave entubated as long as possible
29
Q

What are some considerations for obese patients?

A
  • require less anesthetic agent than calculated
    -typically have some respiratory difficulty
30
Q

What are the two parts of anesthetic maintenance?

A
  1. Monitoring
  2. Maintaining appropriate anesthetic depth