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Sx Anesth Final

-ectomy removal of
-otomy incision into
-ostomy creating a permanent opening
4 stages of surgery pre-op, anesthesia, post-op, discharge
Pre-op responsible for exam, tests, pre-meds, IV cath
Anesthesia responsible for induction, maintenance
Post-op responsible for continuous monitoring
surgical drap options: fenestrated, four quarter
4 routine surgeries ovariohysterectomy (spay), orchiectomy (neuter), cryptorchid orchiectomy, onychectomy (declaw)
Resection/Anastomosis removing section of dead/dz bowl
Cystotomy opening the bladder
Urethrostomy creating a permanent opening in the urethra
Laparoscopy to examine peritoneal cavity and its viscera through a small incision utilizing a camera
Complications related to anesthesia: Hypothermia, emergence delirium, prolonged recovery
Complicatsions related to surgery: hemorrhage, seroma (collection of tissue fluid under skin), dehiscence, self-trauma, infection
2 types of wounds: purposeful (sx incision), incedental (traumatic injury)
Wound classification: 1) 6 hrs old, minimal contamination, 2) 6-12 hrs old, significant contamination, 3) >12 old, profound contamination
Wound contamination classification: clean, clean-contaminated, contaminated, infected
wound cleansing: lavage, debridement, wound dressing, antimicrobial agents, drains
wound closure: primary closure, delayed primary, secondary closure, secondary intention
common analgesic classes: Opiods, NSAIDS
general post anesthesia discharge instructions: confinement, feeding, medications, signs of adverse effects, how to reach hospital
general post surgical discharge instructions: check site 2x daily, count # sutures 2x daily, swelling/reddness/discharge, importance of leaving ecollar on, schedule recheck
monitoring goal: have sufficient CNS depression, analgesia, muscle relaxation and immobility w/o compromising cardio function
monitoring necessary for 2 reasons: keep pt safe, regulate anesthetic depth
1st stage anesthesia period of voluntary movement
2nd stage anesthesia period of involuntary movement (aka excited phase)
3rd stage anesthesia period of surgical anesthesia3
3 planes of stage 3 anesthesia 1) light anesthesia, 2) medium anesthesia, 3) deep anesthesia, 4) early anesthetic overdose
4th stage anesthesia period of anesthetic overdose
Normal dog/cat HR 60-150bpm/120-180bpm
Bradycardia during sx is caused by: opioid and too deep anesthesia
Tachycardia during sx is caused by: inadequate anesthetic depth
ECG P wave contraction of atria
ECG PR interval time for impulse to move from the sinoatrial node to perkinje fibers
ECG QRS complex contractions of ventricle
ECG T wave repolarization of ventrical in prep for next contraction
Blood Pressure: force exerted by flowing blood on arterial walls
Normal dog/cat respirations: 8-20 breaths min/8-20 breaths per min
Atelectasis alveoli will collapse in part of lung if pt is laying on one side too long
Respiratory Character: effort required to breath, relative length of inhalation and exhalation, and regularity
swallowing reflex: present in light anesthesia and recovery
laryngeal reflex: immediate closure of epiglottis and vocal chords when laranyx is touched by any object
palpebral reflex: light touch; retained in light anesthesia and returns during recovery
pedal-flexion reflex: withdraw of limb when sqeezed or pinched
corneal-retraction reflex: blink in response to stimulation of the cornea
Pupillary Light Reflex constriction of pupils in response to bright light shined in retinas
Dazzle relfex response to bright light
Indicators of anesthetic depth spontaneous movement, muscle tone, eye position, pupil size, nystagmus (oscillation of eyeball), salivary/lacrimal secretions, heart/resp rates, response to surgical stimulus
anesthetic emergencies due to human error: failure to obtain hx or perform PE on pt, lack of familiarity w/ anesth agents/machine, incorrect admin of drugs, personnel preoccupied, fatigue, inattentiveness
Created by: nlchandler87



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