Anesthesia tst 1

• -a loss of sensation, especially to pain
• -acheived by the admin. of anesthetic drug

• local
• regional
• general

• -loss of sensation confiened to a small or limited part of the body
• -animal does not become unconscious

loss of sensation affecting an area or region of the the body

loss of sensation and consciousness of the pt

• Topical
• injectable

• applied to a MM area of the body
• -prevent laryngeal spasms
• -post op on incision site
• -eye exams

• Parenteral admin Sq to block transmission of nerve impulses to that area
• skin biopsy
• laceration repairs
• sm. tumor removals

• -decrease in pt toxicity
• -cheaper
• -min. recovery for the pt
• -provides analagesia
• -ideal for high risk pts
• -less required equipment

• -pt restraint
• -requires concise placement for medication
• -no control of drug once injected

• Lidocaine-xylocaine
• bupiuicaine-marcaine
• meplvicaine-carbocaine
• procain-novocaine
• tetracaine-tritop ointment

• epidural-injected between L7 & Sacrum  provides analgesia for utp to 24 hrs
• paralumbar nerve block- injected along side of spinal cord, anesthetizes abdomen for c-section in cattle

• injectables-iv or im is possible
• inhalants via mask, intubation, chamber

usually used together

• Pre-anesthesia (PA)
• induction
• maintenance
• recovery

• pd of time immdiatly preceding induction in which you prepare yourself and pt for the procedure
• -collect date, fast the pt (12hrs) check equip. , give PA drugs

• process by which an animal leaves the norm. conscous state and enters an unconcious state
• acheived through the use of injectabe or inhalents
• 5-10 mins max

• pd following induction in which a stable level of anesthesia is acheived-also may be acheived by injectabe or inhalents
• slight ^ in hr  and RR due to sx stim

pd of time follwoin the discontinuince of anestheics and when the pt is WNL

• general anesthesia which allows a sx procedure to be preformed w/o pain or mvmnt of the pt
• stage III plane II

• Anesthesia utilizing a combo of drugs to acheive the desired effect while minimizing undesired effects
• common belrea protocol glyco, ace, buprenorphine, propofol, isoflurane, rimadyl post op

• produced by cyclohexamine  Anesthetics which interrupt the pathways to the brain, produce a cataleptic state (state of muscle rigidity)
• ketamine, tiletamine are most common

• abesnce of a stimulus that wold nrom. produce pain,
• admined preanestheticly-prevent wind up effect
• intra and post op as well

• opiods-buprenorphine, fentanyl, butorphanol
• Nsaids-carprophen, daracoxib, meloxicam
• Local Anesthetics-lidocaine

• provided better healing at incision site
• pt is more comf

adverse effects resp. depression, heptotoxicity

• causes mild cns depression where the pt remains conscious but is calm
• works on the cerebral cortex
• provides anagesia
• alpha-2 antagonist-metatomidine

• causes mild cns depression where the pt remains conscious but is calm
• works on the hypothalmus
• NO ANAGESIA
• phenothiazine, benzodiazephien, butyrophenos

analgesia produced bby the combo of an opiod and a tranq or sedative med

buprenorphine & ace

full tank 2000-2200psi  or 600-660L

ruduces the pressure from cpmpressed gas cylinders to a constant pressure of approx 45-50psi

delivers calculated o2 to the pt and reduces the pressure w/in the system to 12-15psi

any flow <1L can be set by .5 L of liters

used with gases that have high vapor pressure

animals breathing moves o2 through vaporizer and volatizes gases

• Storage of gases entering the system, allows for observation of respiration rate & Depth
• Allows for PPV (positive pressure ventilation)

prevent rebreathing exhaled gas which contains CO2

allows one way flow of gases to pt

allows gasses to reenter the anesthetic machine

Directs exhaled gases from pt and machine when gases are ion excess of pt requirements

Allows gas to leave the system

• positive pressure ventilation
• use to decrease co2 w/in pts body and prevent atelectisis

• remove co2 from the system
• soda lime granules or barium hydroxide lime
• 6-8hrs

measures the pressure of gases w/in the pt breathing system (lungs)

allow room are to enter circut

bypasses flow meter and vaporizer to deliver 100% O2 to res. bag

• 1 hook up y tubing
• 2 reservoir bag
• 3scavange
• 4check that pop off valve is open

• 1 close pop off valve
• 2 close end of y-tubing
• 3 introduce pressure up to 20cmH₂O
• 4 wach for a drop in pressure <5 cmH₂O w.in 30s
• 5 open pop off valve  b4 releasing Y tubing

• 1 turn 02 flow meter on
• 2 connect to pt et tube
• 3 check pt vitals
• 4 turn vaporizer on