Surgical Facilities & Basic Monitoring Equipment Flashcards

1
Q

What are the major differences between small animal and large animal hospitals?

A
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2
Q
A

The small animal surgical suit
New, modern

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3
Q
A

The large animal surgical suite

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4
Q

What are the different areas of the surgical facility

A
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5
Q

What is the difference between the clean area vs. mixed area vs. contaminated “dirty” area?

A

Minimize risk of infection
Nosacomial infection = infection acquired in the hospital
Arrows indicating flow
Clean area = restricted to clean traffic = sterile supply, operating room, scrub sink; brand new pair of clean surgical scrubs on
Contaminated/dirty area = contaminated traffic –> anesthesia prep, lounges, offices
Mixed area

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6
Q

What is the purpose of the changing area?

A

Used by personnel to change into scrubs

Cabinets or lockers for storage

Hamper

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7
Q

Where is the anesthesia and surgery prep area located?

A

Located adjacent to the surgical suite

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8
Q

List the anesthesia equipment

A

Machines and monitoring equipment
Drugs
Catheter supplies
“Block” supplies
Laryngoscopes
ET tubes
Clippers
Crash Cart

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9
Q

List the anesthesia and surgery prep material used

A

Vacuum
Clippers
Skin prep material
Sharps container

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10
Q

Supply rooms

A

every hospital will look different
sterile instruments
equipment

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11
Q
A

Sterilize + reuse, but usually throw them away
Let them dry
do not want them to be wet for the next patient

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12
Q

Where is the scrub sink area located?

A

Near the OR suites

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13
Q

What is important to remember for the scrub sink area?

A

Properly “stocked”
- Antiseptic soap [in correct dispenser]
- Scrub brushes [reusable vs. disposable]
- Botties, masks, scrub caps, etc.

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14
Q

Stainless steel sink

A

NEVER CLEAN surgical instruments in these sinks

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15
Q

Gloving and gowning area

A

inside or outside OR
still no consensus as to which location results in the least amount of cross contamination

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16
Q

The operating room

A

Single Door
Keep door closed once the team is in the room

Scrub Sinks Outside the OR

Positive Pressure Air Flow = pressure higher in room than surrounding area so air can leave the room and not come back in (TPLO, total hip; to be as clean as possible b/c highest risk for post op implications)

Emergency Lighting

Minimize Horizontal Surface

Clean! Clean! Clean!

Surgical suite includes more than one operating room + recovery area, etc.

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17
Q

What is in the OR?

A

Anesthesia machine
Anesthesia crash cart
+/- sterile table
Mayo stand
Operating table
Heat source
+/- trough
Surgical lights
Medical receptable

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18
Q

Post-op recovery

A

Adjacent to the surgical area

Individual kennels [small animal] vs. Recovery stalls [large animal]

If the patient is critical  patient is taken to the ICU

Careful monitoring

Warmer than OR

Emergency equipment

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19
Q

Patient positioning

A

Vital for effective surgical procedure

Positioning dependent on the procedure
Dorsal recumbency
Sternal recumbency
Lateral recumbency

Prep area

Heat source

+/- trough

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20
Q

Warming the patient

A

Minimizes heat loss during surgery

Passive Warming vs. Active Warming
Passive Warming
- Blanket or towels [act as an insulator]
Active Warming
- Heat source applied directly on the patient
Active Core Warming
- Heat applied centrally = giving warm IV fluids

Rewarm quickly, but carefully

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21
Q

Anesthesia suppresses many of the body’s normal automatic functions

A
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22
Q

Anesthesia does affect heart rate, respiratory, blood pressure, and other body functions

A
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23
Q

Monitoring equipment can provide valuable information, as well as act as an extension of the anesthetist’s own senses

24
Q

Monitoring equipment

A

Monitor vital signs
Temperature
Rectal thermometer vs. Esophageal temperature probe

Heart Rate/Rhythm
ECG vs. Stethoscope vs.
Esophageal tube

Respiratory Rate
Capnography

Blood Pressure
Doppler vs. Oscillometeric
Monitoring Device

Oxygen Saturation
Pulse Oximeter

25
Anesthesia machine
Delivers oxygen Delivers anesthetic gas Assists with ventilation Removes exhaled carbon dioxide
26
Temperature monitoring
Monitoring prevents hypothermia and hyperthermia Monitored every 5 – 10 minutes until: Patient is in sternal recumbency Body temperature between 99F to 102F Rectal Thermometer vs. Esophageal Temperature Probe Over heating
27
ECG
Continuously monitors electrical activity of the heart Information about heartrate and rhythm Electrical signal is picked up by electrodes, amplified and displayed on a screen
28
Esophageal stethoscope
Thin flexible tube attached to regular stethoscope Allows lungs and heart auscultation of draped patient Intubated patient
29
Arterial blood pressure consists of 3 values
Systolic pressure Diastolic pressure Mean arterial pressure (MAP)
30
Direct vs. Indirect Measurement BP Direct measurement Arterial catheter
Arterial catheter connected to a monitor Blood pressure Heartrate and rhythm Gold standard for blood pressure measurement
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Indirect BP measurement Doppler ultrasound Oscillometeric device
Ultrasonic Doppler Method Occlude arterial blood flow by inflating a cuff Deflate the cuff until the blood flow goes back to normal When pressure in the cuff is just below systolic blood pressure, the blood flow can pass the cuff and is detected by the doppler probe Probe use ultrasonic waves to detect pulsatile blood flow or vessel wall motion and converts this to an audible signal = HEART RATE 40% is what we are aiming for
32
Oscillometeric Blood Pressure Monitoring Device measures
Systolic arterial pressure Diastolic arterial pressure Mean arterial pressure [MAP] -> most accurate on these machines Pulse rate
33
Indirect blood pressure Oscillometeric Blood Pressure Monitoring Device measures
Non-invasive detection of arterial blood flow Commonly used Less accurate than Doppler or invasive blood pressure monitoring Various components lead to inaccuracies
34
Respiration
Movement of thorax Movement of rebreathing bag Auscultation [esophageal vs. stethoscope] Condensation of ET tube Monitors Capnograph
35
Capnograph
Measure exhaled carbon dioxide in patient’s breath over time Can diagnose respiratory airway obstruction or leak in the ET tube cuff ETCO2 Measure respiratory rate
36
Pulse Ox
Non-invasive method of measuring the oxygen saturation of hemoglobin (SpO2) in arterial blood Provides pulse rate of patient Attached to the patient’s tongue, lip, ear (if not pigmented), paws, toes, and thin skin folds on extremities Can be easily affected
37
NEVER TRUST THE VITAL SIGN MONTIOR’S VALUE ALONE
Always double check these values using traditional monitoring techniques Example: Check the monitor’s heart rate values versus what you actually hear using your stethoscope
38
Intraoperative fluid therapy helps restore and maintain tissue fluid, as well as electrolyte homeostasis and central euvolemia
39
10 – 15 mL/kg/hour of crystalloid fluids Lower rate (5 mL/kg/hour) may be used for healthy patients undergoing less invasive elective procedures
40
Fluid losses Large abdominal and thoracic incisions have much larger evaporative losses
41
Prewarming fluids
42
Skin preparation
Should take place in the preparation room Anesthesia/surgical prep area Surgery site is clipped with adequate margins for the procedure to be performed Usually performed under anesthesia Initial scrub Patient moved to the OR and then 3 additional scrubs performed
43
What is the goal of skin preparation?
Reduce resident skin flora to prevent infection Achieve residual antiseptic activity It is NOT possible to completely sterilize the skin
44
The surgery team
Surgeon Assistant Surgeon [if needed] Anesthetist LVT
45
The surgeon
Pre-Operative Responsibilities Operative Responsibilities Post-Operative Responsibilities
46
The assistant surgeon
Pre-Operative Responsibilities Operative Responsibilities Post-Operative Responsibilities
47
Anesthetist/anesthesiologist
Pre-Operative Responsibilities Operative Responsibilities Post-Operative Responsibilities
48
Licensed veterinary tech
Pre-Operative Responsibilities Operative Responsibilities Post-Operative Responsibilities
49
Prepping for surgery
Know the case Review pathophysiology and basic of procedure Review possible complications of procedure Surgeon preparation Patient preparation TEAMWORK MAKES THE DREAM WORK!
50
Common surgical procedures
Ovariohysterectomy [aka Spay] Neuter Mass Removals Laceration Repairs Cystotomy Gastrotomy
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TOMY =
the surgeon cut something
52
ECTOMY =
the surgeon cut something out
53
OSTOMY =
The surgeon made an opening
54
PLASTY =
the surgeon changed the shape of something
55
PEXY =
the surgeon moved the organ to the right place
56
RRAPHY =
the surgeon sewed something up
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DESIS =
the surgeon made two things stick together