Exam #4 Flashcards
(156 cards)
How long should food be withheld prior to surgery in the equine patient?
4-8 hours
What are seven things that should be done to prepare the equine patient for anesthesia?
- clean feet
- pull or pad all shoes
- groom/wipe horse
- physical exam/weigh
- clip surgical site
- place jugular catheter
- rinse mouth before induction
What is the equine patient prone to developing under anesthesia?
respiratory acidosis
What is proper positioning and padding important to prevent in the equine patient?
- cardiopulmonary compromise
- neuropathies
- myopathies
Why is assisted or controlled ventilation best for prolonged procedures in the equine patient?
to maintain normal arterial CO2 levels
What is the appropriate dosage range of Xylazine in the equine patient when used as a preanesthetic medication?
IV - 0.2-0.5 mg/lb
IM - 0.5-1mg/lb
What is the onset of Xylazine dosed intravenously in the equine patient?
2-3 minutes as noted by dropping head, prolapse of penis
What is the duration of Xylazine dosed intravenously in the equine patient?
30 minutes
What is the onset of Xylazine dosed intramuscular in the equine patient?
10-15 minutes
What is the duration of Xyalzine dosed intramuscular in the equine patient?
60 minutes
What are two potential complications of Xylazine in the equine patient?
sinus bradycardia; first and second degree heart block
What is the appropriate dosage of Detomidine in the equine patient?
5-10 mcg/lb IV, 10-20 mcg/lb IM
What is the onset and duration of Detomidine in the equine patient?
similar to xylazine but with longer duration of action
What is the appropriate dosage of acepromazine in the equine patient?
0.5 mg/kg given IV or IM
What is the onset of acepromazine in the equine patient?
5-20 minutes
What is the duration of action of acepromazine in the equine patient?
1.5-2 hours
How long may the hypotensive effect of acepromazine last in the equine patient?
up to 12 hours
What size range of endotracheal tubes are appropriate for the equine patient?
30, 26, 20 or 15 mm ID
What supplies should be on hand for placement of an ET tube in the equine patient?
endotracheal tubes, lubrication jelly, 25 CC and/or 60 CC syringe, cotton mouth gag or speculum
What size range of IV catheters are appropriate for the equine patient?
10, 12, or 14 gauge
What supplies should be on hand for placement of an IV catheter in the equine patient?
IV catheter, tubing, flush, fluids, drugs, local anesthetic, cipppers, prep solutions
What is an appropriate O2 flow rate for the equine patient?
1L/250 lb; minimum 3L/1000 lb
What is an appropriate dosage range of ketamine for induction of the equine patient?
0.7-1 mg/lb IV; usual dose is 1 mg/lb
What is the purpose of administering guaifenesin (GG) to the equine patient?
skeletal muscle relaxant