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Terms in this set (59)
What three things characterize general anesthesia?
Analgesia, amnesia, & decreased reflex response
In what ways can general anesthesia be accomplished?
Injectable, inhalant, or combination of both
How long should a patient be faster for pre-anesthesia?
Food: 10-12 hours
Water: Minimum of two hours
How can pre-ops be administered?
IV, IM & SQ
How long does induction take?
10-20 minutes & as little as 5
What can be expected during the maintenance stage of general anesthesia?
Analgesia, muscle relaxation, decreased protective reflexes, & mild cardiovascular & respiratory depression
What is the reversal of induction referred to as?
How often should vitals be logged?
Every 5 minutes
GA effects what the part of the brain that control what three things?
Cardiovascular center, respiratory function, & thermoregulation
What are the ranges of temperature that may lead to organ failure?
< 88 degrees or > 106 degrees
List the five vitals that must be monitored and logged
HR, pulse quality/BP, respiration, MM color, and temperature
What is the ideal stage & plane?
Stage III Plane II
What are some characteristics you may see during stage one?
RR/HR increased, all reflexes present, may show signs of fear/anxiety, & may struggle
Which stage is known as the excitement stage?
What are some things that can happen during the excitement stage?
HR increase, vocalization, struggle, chewing, & may appear to hold breath
*rapid limb movement, dilated pupils but constrict in response to light
What are some risks that may occur during the excitement stage?
Epinephrine release, cardiac arrest, or ventricular arrythmias
What are some things that can be done to avoid Stage II?
Premedication & inducing quickly
Which stage has four planes?
Which is known as the light plane?
Describe the patients eyes during Plane I
Eyes rotate ventrally
True or false: Intubation is not tolerated during Stage III Plane I.
True or false: Surgery can not begin during Stage III Plane I.
How do patients react to surgery stimulus during Stage III Plane II?
Increased HH & RR, but should return once stimulus has ceased
True or false: Normal protective reflexes are gone during Stage III Plane II.
What is the respiration rate during Stage III Plane II?
Dogs: 10-16 RMP
Cats: Slightly higher
If a respiration rate is below 10 RPM What action should be taken?
Assist with PPV
Describe the pupils during Stage III Plane III
Centralized, slightly dilated
What is Stage III Plane IV also known as
Rocking boat stage
During which stage and plane must abdominal vs. thoracic breathing be monitored?
Stage III Plane IV
Which of the stages is the most dangerous?
What is the most common technique used for induction?
List four common drugs used for IV indction
Thiopental, Valium/Ketamine (50/50), Propofol, & Telazol
How much of a drug should be used during induction via IM?
2-3x more than IV
Which route is considered extra label for induction?
What is a precaution with inhalants?
Mask must not occlude trachea or nose
What is a con to induction chambers?
Can't monitor HR & RR, may vomit, & OR pollution
List the seven things that must be monitored during induction
Heart rate, mucus membranes, capillary refill time, blood pressure, pulse quality, respiration rate, & anesthetic depth
What are the four methods for monitoring heart rate?
Direct palpitation, stethoscope, ECG, & heart monitors
Minimal acceptable K9 HR
Large - 60-150 BPM
Small - 70 BPM
Minimal acceptable feline HR
K9 HR under anesthesia
Feline HR under anesthesia
Awake K9 ranges
Awake feline ranges
Normal K9 respiration rate
Normal feline respiration rate
Which drug stimulates a breathing response?
What is the most common anesthetic complication?
What are two significant side effects due to hypothermia?
Prolonged recovery & decreased liver metabolism
What are the three types of animals most prone to hyperthermia?
Small animals, sight hounds, & pigs
What are five depths indicators?
Reflex activity, muscle relaxation, HR/RR, pupil size, & eye rotation
List five common reflexes monitored
Palpebral-blink reflex, swallowing, pedal, pinna, & laryngeal
What should you always do when moving an animal under anesthesia?
Disconnect endotracheal tube when moving the animal
How much should the table be tilted to access organs?
Does a lower temperature mean a shorter or longer recovery time?
During recovery, how often should vitals & reflexes be recorded?
Vitals - 5 mins
Reflexes - 10 minutes
What should you never forget to do when removing an endotracheal tube?
Deflate the cuff
When can you stop taking the temperature every five minutes?
When the temp reaches 98.6 degrees
When should stitches be removed?
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