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define tranquilize
alteration of behavior. quiets and calms the patient. awake, no analgesia, calm. implies calm, not sleepy like sedation.
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define sedation
patient is awake, but it slightly depressed as sleepy. decreased activity and excitement. implies sleepier than tranquilized.
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define anesthesia
an/esthesia. without feeling or sensation. patient is asleep, cannot be awakened until drug wears off, has amnesia and loss of reflexes
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define analgesia
relief of pain without loss of consciousness
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define amnesia
loss of memory, patient does not remember surgery
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define ataxia
Incoordination - stumbling gait, falling to side
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define hypnosis
greater depression than sedation. patient is asleep but can be awakened
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define narcosis
patient is asleep, can be awakened but goes back to sleep. implies good analgesia
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define preanesthesia
period immediately preceding the induction of anesthesia
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define pre-anesthetic medication
preop, any drug given within 1 hour before anesthesia
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define anesthetist
a person such as a nurse or technician, trained in the administration of anesthetics
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define anesthesiologist
a physician or veterinarian specializing in anesthesiology - doctor
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what is the primary and secondary goal for anesthesia
- primary - safety and health
- secondary - success of procedure
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anesthesia is _____.
controlled death
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what is the role of the LVT
patient induction, maintenance, and recovery
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what is idiosyncratic response?
unexpected patient response
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what is the Virginia state law concerning anesthesia
allows LVT to induce anesthesia, including intubation, "under the direct supervision of a licensed veterinarian"
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why do we use anesthesia?
restraint, surgery, control seizures, euthanasia
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what should you do for the owners before anesthesia
get an informed consent, give estimate, get contact phone numbers
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what should get from the patient before anesthesia
minimum data base, patient history, physical examination
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what is the minimum data base?
nature of the procedure, patient history, physical exam, diagnostic tests, classification of patient status
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what is patient history?
- ask open questions
- up to date vaccinations
- current medication
- previous - allergies, anesthetic episodes, surgery, and drugs given, and patients response to each
- current or recent illnesses or injuries, possibly contagious
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what is the physical examination?
- look for problems: respiratory disease, cardiovascular disease, abnormal size of organs, disorders to treat, physical factors affecting procedure
- signalment: species, breed, age, sex, if neutered, weight okie
- age pediatric - unable to metabolize injectable a as week, use inhalants and geriatrics - decreased ability to metabolize is decrease dose
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what is class I?
minimal risk - normal, healthy, no underlying disease
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what is class II?
slight risk - slight to mild disorder, able to compensate, no clinical signs
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what is class III?
moderate risk - moderate systemic disorder, mild clinical signs
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what is class IV?
high risk - severe preexisting systemic disorder
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what is class V?
grave risk - life threatening disorders, moribund, surgery performed in desperation
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