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301 MEDIMAGE > 9. Operating Theatre Imaging > Flashcards

9. Operating Theatre Imaging Flashcards

1
Q

what are the 4 features of theatre central

A

audio-visuals

acute list

staff allocation

receptionists

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2
Q

what are the 3 pods for in the theatre layout

A

pod 1 = theatre 1-6 general and O&G and burns
pod 2 = theatres 7-12 plastic, hands and ortho
pod 3 = theatre 13 and 14 large flaps, multitrauma etc

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3
Q

what is TADU

A

theatre admission and discharge unit

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4
Q

what 3 things happens when a patient arrives to TADU

A

arrive to theater waiting room and are greeted by reception and TADU staff are advised of their arrival

seen by team (surgeon/anesthetic/nursing) in one of the 9 consult rooms

change into theater attire ready to go in for surgery

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5
Q

what is PACU

A

post anaesthesia care unit

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6
Q

what is the hold bay

A

pre op room

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7
Q

what is done in the hold bay

A

sign consent forms

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8
Q

what should you never do when a surgery is still ongoing in terms of doors

A

never open doors to exit bay

enter/exit through hold bay and open one door after the first door has closed (can also go in through the scrub doors)

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9
Q

where is the bed in the surgery room

A

in the centre

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10
Q

what is the area of positive pressure

A

area where operation should happen in a specific area of ventilation system where it blows out from site rather than in

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11
Q

what are 3 things that need to be worn as part of perioperative practice

A

blue scrubs
head covering
shoes

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12
Q

what are the 5 rules to wearing blue scrubs as part of perioperative practice

A

change if contaminated

not to be taken home to be washed

can only be worn inside and not outside hospital

no long sleeved tops underneath scrubs

warm up jacket avail

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13
Q

what must your head covering do as part of perioperative practice

A

cover all hair

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14
Q

3 things must the shoes be as part of perioperative practice

A

non slip
protect feet
easy to clean

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15
Q

what are the 2 standard personal hygiene measures

A

washing hands

sanitizing

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16
Q

can you wear nail polish in theatre

A

no

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17
Q

can food or drink be taken into the perioperative suite

A

not into the semi or full restrictive areas of the perioperative suite

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18
Q

where should food and drink never be kept

A

must not be kept on counter tops or work spaces where blood and other potentially infectious materials are present

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19
Q

can cell phones be carried in theartre

A

yes can be carried but not to be accessed in theatre while you are working, only access them during break times

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20
Q

what should you always wear in terms of PPE

A

gloves

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21
Q

what should you ideally wear in terms of PPE

A

mask and goggles/visor

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22
Q

how should you use vikron

A

carefully pour onto cloth then wipe surfaces

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23
Q

how should blood covered areas be cleaned

A

first with soap and water

then use vikron

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24
Q

what are white rubbish bags for

A

relatively clean rubbish

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25
Q

what are yellow rubbish bags for

A

blood soaked rubbish

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26
Q

what bins should sharp instruments be discarded into

A

sharps bin

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27
Q

what is something you should never touch in a operating theartre

A

sterile trolley

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28
Q

what is something you should never reach over in a operating theartre

A

sterile fields

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29
Q

where should you never walk through in a operating theater

A

between sterile fields

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30
Q

how should contaminated items be picked up in an operative theater

A

only if your wearing gloves

31
Q

what should you be careful about in terms of positioning over sterile field in an operative theater

A

never position over sterile field without sterile II cover

32
Q

what should you be mindful of around the patient in terms of equipment in an operative theater

A

lines and tubes

33
Q

what should you never adjust in a operative theater

A

never adjust the ventilator or bed heigh/position

34
Q

who is the captain of the ship in an operative theater

A

the anesthetist

35
Q

how is radiation protection managed in an operative theater - 5 things

A

understand collimation

communicate

protect everyone in room

use filter factors like metal correction

dose monitoring badges

36
Q

what should you do to pulse rate if live screening in terms of radiation protection

A

reduce pulse rate if live screening

37
Q

where should the II be in terms of radiation protection

A

II always close to subject

38
Q

having the II close to the subject is a radiation protection measure in what 4 ways

A

increases FOV

reduces dose

reduces scatter

image quality

39
Q

what is the default position of the II and tube

A

default is II on top and tube at bottom

40
Q

if II is on top what is the buttons on/off

A

either both on or both off

41
Q

when ever the tube is on top how many Rs need to be on

A

one

42
Q

If tube on top, why don’t want to screen anything that is dense such as chest or abdomen area (extremities are fine)

A

due to dose (only time you do that is when you need to go over the patient rather than under the patient to give lateral

43
Q

If II is on top what kind of hori ray can be done

A

under the table hori ray

44
Q

if you go over the field, what kind of view can you take

A

only go 45 degrees and can only do obliques

45
Q

if you want a lateral view going over the top they what component of the tube needs to be ontop

A

tube needs to be ontop

46
Q

what is panning movement of the C arm

A

whole C arm moves side to side horizontally

47
Q

what is the continuous pulse fluoroscopy button used for

A

activates continuous pulse fluro mode and displays the pulse rate setting controls in the dynamic control area

48
Q

what is the high quality button used for

A

activates the high quality supplementary function

49
Q

what is the caution of using the high quality button

A

reduce the radiation time

50
Q

what is the snapshot button used for

A

activates the snapshot mode

51
Q

what is the bones button used for

A

activates the anatomical program for visualizing the heart and thorax region

52
Q

what is the heart button used for

A

activates the anatomical program for visualising the heart and thorax region

53
Q

what is the abdomen button used for

A

activates the anatomical program for visualising the abdominal region

54
Q

what is the metal button used for

A

activates the metal artifact correction supplementary function

tells II there is metal present so needs to increase exposures to avoid giving extra dose

55
Q

do high quality and single shot have the same exposure and what is the difference between the 2

A

High quality and single shot have same exposure but high quality can livestream while single shot is just a photo

56
Q

what does the save button do

A

saves the active image to the hard disk

57
Q

what does the laser button do

A

activates or deactivates the laser positioning devices

58
Q

what does the magnify button do

A

shows or hides the controls for setting the image intensifiers electronic magnification in the dynamic control area

the buttons always show the current image magnification level

59
Q

what does the text button do

A

activates the text mode

60
Q

what does the greyscale inversion button do

A

displays the active positive image with a negative grayscale or vice versa

61
Q

when are the text and greyscale inversion buttons used

A

in post processing

62
Q

what is the manual exposure rate setting button used for

A

enables manual setting of tube voltage and tube current

63
Q

what is the large patient button used for

A

activates the large patient supplementary function to adjust to patient body size and habitus

64
Q

what is the cine button used for

A

activates or deactivates the cine loop mode

65
Q

what is the image swapping button used for

A

swaps the images between the live and reference monitors

66
Q

what is the rotate image CW button used for

A

rotates the image in a clockwise direction

67
Q

what is the rotate image CCW button used for

A

rotates the image in a counter clockwise direction

68
Q

what happens in a ziehm vision FD machine to the image when it is rotated

A

image assumes a circular shape when rotated

69
Q

what is the rotate image to 0 degrees button used for

A

resets the angle of rotation of the image in one step to 0 degrees

70
Q

what is the reverse up/down button used for

A

mirrors the image vertically around the horizontal axis

71
Q

what is the reverse left/right button used for

A

mirrors the image horizontally around the vertical axis

72
Q

what is the close iris collimator used for

A

closes the iris collimator

73
Q

what imaging procedures is cine usually used for

A

operative cholangiograms as it allows it to run without any suppression

74
Q

what are the R buttons used for

A

Rs are arm movements

301 MEDIMAGE (18 decks)

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