injectable anesthetic Flashcards
How soon are IV effects seen
30-60 sec
what route has rapid uptake
IV
Most ideal characteristic of inj. Anesthetics
Rapid metabolism
When should inj. Anesthetic be given to effect
Whenever possible
Are barbiturates controlled
Yes
what are barbiturates derivatives of
barbituric acid
What is lipid solubility also known as
Partition coefficient
How much of a barbiturate is given as a bolus
Half; the rest is given to effect
What are concentrated solutions of barbiturates used as
Euthanasia
What is the reversal agent of barbiturates
There is none
What is a side effect of barbiturates
pain or excitement
What causes tissue irritation
Strongly alkaline barbiturates
What happens when barbiturates are given perivascularly
Skin sloughing
how many mg/ml is a 2.5 sol’n of pentothal
25mg/ml
What category is described as dissoriative drugs
Cyclohexamines
what is thiopental (pentothal) classified as
ultra short acting
why is methohexital ok for use on sighthounds
fast liver metabolism
What are the reversal agents of cyclohexamines
None
What are the most common side effects of cyclohexamines
Blinking and swallowing and muscle rigidity
Where are cyclohexamines eliminated and excreted
Liver then renal
what happens with high doses of cyclohexamines
seizures
What drug is least likely to cause hypotension
Cyclohexamines
Define apneustic respiration and what is it linked with
Breath holding; cyclohexamines
What has low cardiovascular toxicity
Local anesthesia
