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39 Cards in this Set
- Front
- Back
conduction
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injecting anesthetics arond nerves supplying the specific site; can be perineural (nerve block) or into the epidural or subarachnoid space (spinal)
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akinesia
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loss of motor response (movement) due to paralysis of motor nerves
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regional anesthesia
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generally suggests conduction anesthesia
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general anesthesia
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loss of consciousness & loss of sensation; ideally includes hypnosis, hyporeflexia, analgesia & muscle relaxation
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surgical anesthesia
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loss of consciousness & sensation with sufficient muscle relaxation & analgesia to allow surgery to be performed without pain or movement of the patient
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balanced anesthesia
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surgical anesthesia produced by a combination of two or more drugs or anesthetic techniques, each contributing its own pharmacologic effects
agents used: tranquilizers, narcotics, nitrous oxide and muscle relaxants |
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dissociative anesthesia
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a central nervous system state characterized by catalepsy, profound peripheral analgesia, and altered consciousness produced by the cyclohexamine drugs
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catalepsy
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a state in which there is malleable rigidity of the limbs; the patient is generally unresponsive to aural, visual, or minor painful stimuli
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analgesia
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loss of sensitivity to pain
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intravascular anesthesia
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anesthetic solution is administered by intravenous, intra-arterial, intracardiac, or intramedullary injection
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local anesthesia
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anesthetic drugs applied topically, injected locally into or around the surgical site (field or regional block)
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hypnosis
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artificially induced sleep or a trance resembling sleep from which the patient can be aroused by stimuli
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narcosis
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drug-induced stupor or sedation in which the patient is oblivious to pain, with or without hypnosis
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neuroleptanalgesia
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hypnosis & analgesia produced by a combination of a neuroleptic drug and an analgesic drug
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sedation
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a mild degree of central depression in which the patient is awake but calm; a term often used interchangeably with tranquilization. With sufficient stimuli, the patient may be aroused. Sedatives act by a dose-dependent depression of the cerebral cortex
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tranquilization, ataraxia, neurolepsis
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a state of tranquility & calmness in which the patient is relaxed, awake & unconcerned with surroundings & potentially indifferent to minor pain. sufficient stimuli will arouse the patient.
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tranquilizers
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act by depressing the hypothalamus & the reticular activating system
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bag (2)
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1) a small plastic bag over the horse's muzzle during the physical examination, which results in the rebreathing of exhaled gas & deep breathing
2) the rebreathing bag on the anesthetic machine is squeezed to inflate the horse's lungs during anesthesia |
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block
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used to describe the procedure of producing local anesthesia at a specific site such as a local nerve "block" or regional nerve "block"
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bolus
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implies that a specified quantity of drug was rapidly administered IV
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breathed
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used to relate that the animal's lungs were either manually or mechanically inflated
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crashed
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denotes the rapid induction of anesthesia generally by intravenous techniques, although increased concentrations of inhalation anesthetics have also been used for this purpose
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deep
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used to imply the degree of CNs depression produced by anesthetics. the greater the degree of CNS depression, the deeper the anesthesia
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light
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implies minimal CNS depression; light horses demonstrate active corneal & palpebral reflexes, may develop nystagmus, and occasionally lift their head or move a limb
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down
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implies that the animal was administered a drug or combination of drugs that produced recumbency
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dropped
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signifies that the horse has been administered drugs that produce recumbency
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extubate
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the endotracheal tube has been removed from the airway
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intubate
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placement of an endotracheal tube through the nose or mouth & into the trachea
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hit or stick a vein
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to perform a venipuncture successfully
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induced
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indicates the animal has been administered a drug or drugs that have produced anesthesia
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mask induction
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implies that a face mask was used to produce anesthesia. because face masks are used to supply gaseous or volatile anesthetics, the term also implies that an inhalation anesthetic is used
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pre- or post-
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terms used relative to the period of anesthesia.
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push
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implies that an IV drug or fluids are administered either rapidly or in amounts greater than are usually given
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ran a strip
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usually indicates that an electrocardiogram was obtained. generally the base-apex lead is used
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reversed
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indicates that drug effects were antagonized by administering a specific antagonist
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spiked
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1) may mean a sudden rapid increase
2) may mean that some substance (K+) or drug is added to a solution |
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stabilized
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indicates that cardiopulmonary variables or the depth of anesthesia has been returned to or is within acceptable limits
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topped off
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indicates that additional drug has been administered to produce the desired effect; the term implies that the original calculated dosage was insufficient to produce the desired effect
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tubed
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indicates that an endotracheal tube was placed in the trachea by advancing the tube through either the mouth or nasal cavities
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