Pre-med Advantages & Disadvantages

Question 1

ACP advantages

Answer 1

Anti-arrhythmic
Anti-emetic
Wide safety margin (no coma if OD)

Question 2

ACP disadvantages

Answer 2

Slow onset & long duration
No analgesia
Unpredictable
May cause syncope
Vasodilation (hypothermia/hypotension)

Question 3

Alpha2 advantages

Answer 3

DD sedation & duration
Visceral analgesia
Drug sparing
Reversible

Question 4

Alpha2 disadvantages

Answer 4

CVS + reps. Depression
Apnoea + grey mms
Impaired thermoregulation
Reduced hepatic blood flow

Question 5

Opioid advantages

Answer 5

DD analgesia
Drug sparing
Sedation in non-painful animals
Reversible

Question 6

Opioid disadvantages

Answer 6

High doses cause profound resp. Depression
Full agonists may cause bradycardia
Excitation on overdose leading to dysphoria
Anti-tussive

Question 7

Benzodiazepine advantages

Answer 7

Wide safe margin
Minimal CP effects
Anti-epileptic
Muscle relaxant

Question 8

Benzodiazepine disadvantages

Answer 8

Stimulation in health animals

Formulations May cause pain on inj.

Question 9

Atropine advantages

Answer 9

Treats intra-op bradycardia

Reduces salivation + bronchial secretions

Question 10

Atropine disadvantages

Answer 10

Increases HR + MBR
Brady/tachyarrhythmias
Thickens bronchial secretions

Question 11

Glycopyrrolate advantages

Answer 11

Decreases salivation

Reduces incidence of tachyarrhythmias

Question 12

Glycopyrrolate disadvantages

Answer 12

Mild mystiasis
Xerostoma
Tachycardia