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Flashcards in Surgical And Theatre Deck (84)
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1

Otomy definition

Temporary cut through tissue eg. Spey

2

Ostomy definition

Creating a permanent opening in tissue eg. Tracheostomy

3

Ectomy definition

Removing a structure eg. Spleenectomy

4

Exploratory laparotomy means?

To open up the abdomen

5

Minimum age of person giving informed consent

18 years old

6

Routine food- withholding period for adult dogs and cats

3hrs (6-12hrs)

7

Routine food-withholding period for puppies and kittens under 2wks (neonates)

0hrs

8

From what time is water withheld from dogs and cats for routine surgery

Water is removed at time of pre-med

9

Factors influencing scheduling of surgeries

Emergencies
Clean vs. dirty
Elective/ non-elective
Available staff

10

ACEPROMAZINE

Purpose: ... and ... of induction agent dose

Other effects: .... which .... BP, ... thermia, ... of 3rd eyelid

Precautions: not used in ... BP conditions (shock/ dehydration), do NOT use in .... breeds, not used in cases of .... or ...

Purpose: sedation and reduction of induction agent dose

Other effects: vasodilation which reduces BP, hypothermia, protrusion of 3rd eyelid

Precautions: not used in low BP conditions (shock/ dehydration), do NOT use in boxer breeds, not used in cases of epilepsy or caesareans

11

ATROPINE

Purpose: prevent or manage ..., reduce ... and ... secretions

Other effects: ... pupils, ... eyes, reduces ....

Precautions: contraindicated if pre-exisiting ... disorders

Purpose: prevent or manage bradycardia, reduce oral and respiratory secretions

Other effects: dilates pupils, dried eyes, reduces gut motility

Precautions: contraindicated if pre-exisiting cardiac disorders

12

METHADONE (methone)

Drug group: ....

Purpose: ... and ...

Other effects: .... and ....

Precautions: contraindicated in cases of .... (intracranial pressure)

Drug group: opioids

Purpose: analgesia and sedation

Other effects: bradycardia and bradypnoea

Precautions: contraindicated in cases of head trauma (intracranial pressure)

13

Advantages of IV induction over face mask or chamber induction:

Faster
Smoother induction
Reducing patient stress
Less anaesthetic agent used (ISO)

14

Thiopental/ thiopentone

What class of anaesthetic agents?

It is a rapid induction agent?

Not irritant or highly irritant if injected perivascularly

Belongs to barbiturate class

Rapid induction agent

Highly irritant if injected perivascularly

15

Is thiopental suitable for maintaining anaesthesia for long periods by topping up?

No, not suitable to be topped up to maintain prolonged anaesthesia

16

What does a pressure regulator do?

Indicates quantity of oxygen left in tank and maintains constant pressure within cylinder

17

Vaporisers should be ON/ OFF while refilling anaesthetic?

OFF

18

Rebreathing circuits are also known as?

Circle systems

19

Non- rebreathing circuits are also known as ?

T-piece circuits

20

Parallel tubing is also known as?

Biaxial tubing

21

Tube in tube is also known as ?

Coaxial tubing

22

Disadvantages of non-rebreathing systems?

More O2 and ISO used
Lowers body temp due to cold and dry air

23

2 ways to determine if soda lime needs replacing?

Colour change
No heat is generated when in use (soda lime should generate heat when efficiently removing expired CO2 from the circuit)

24

Principles of minimising human exposure to waste anaesthetic gases:
1. Use an effective ... system
2. Perform ... test
3. Avoid ... induction and use masks with a good ...
4. If chamber induction is used remove box in a ... area
5. At end of procedure allow patient to breathe only ...
6. Speeding recovery= ... patient, block end of tube with ... open pop off valve and squeeze bag, anaesthetic from circuit is removed by ... system, purge using ... and repeat then close pop off as required and reconnect patient so they breathe only O2.

1. Scavenger
2. Pressure leakage
3. Mask induction, seal
4. Well ventilated
5. Oxygen
6. Disconnect patient, block with thumb, removed by scavenger, purge using by pass valve

25

Reasons why ET tube is placed for maintenance of gaseous anaesthesia instead of face mask?

Less leakage of anaesthetic gases
Control of airways (IPPV)
Less dead space
Eliminates chance of aspirating on vomit if placed correctly

26

ET tube is placed ?

From mouth entrance to the point of shoulder

27

Animal species/ group which Un-cuffed ET tubes are used ?

Reptiles
Birds
Neonates
Ferrets
Rabbits

28

Spontaneous ventilation where endobronchial intubation occurs
1. Can result in over inflation of inhabited lung?
2. Occurs when tip of tube lies within one bronchus?
3. Can result in severe hypoxaemia?
4. Can result in the collapse of the lung that is not intubated?

1. No
2. Yes
3. Yes
4. Yes

29

Endobronchial intubation causes hypoxaemia which doesn't respond to increasing ventilation or oxygen because there is a mismatch of ... and ... whereby the blood flowing from non intubated lung is deoxygenated which mixes with the blood from oxygenated lung.

Ventilation and perfusion

30

STAGES OF ANAESTHESIA
Stage I
Stage II
Stage III
Stage and plane ideal for routine abdominal surgery

1. Voluntary excitement
2. Involuntary excitement
3. Surgical anaesthesia
Ideal stage is 3, and plane medium