positioning and immobilisation : clinical practice Flashcards
Diagnostic CT scan position
quality images that the radiologist
can use to diagnose diseases and
conditions. reproducing exact same position is unlikely
RT planning CT
quality images used to plan the radiation
therapy treatment. This position
MUST be reproduced on a daily
basis to deliver the treatment plan
Breast Immobilisation Devices Available clinically
Breast board /Prone Breast Board
Moulds: alpha cradles or vacuum bags
breast immbolisation considerations
- supine or prone
- if using a breast board
- arms .. arm on treatment side must be elevated
- marks
position prone if ..
patient has large breasts
If the patient cannot manage the breast board
use vac bags
how do vac bags work
A vacuum pump evacuates air from bag, making it rigid.
bag placed under patient, the patient’s leaves imprint on bag
after p&i. document …
- supine or prone
- Hd position… str8 or turn to L or R
- arm rest position
- wrist pole position
- incline angle on board in degrees
Positioning –
Tumours in the Thorax or Abdomen option…
lung board , aio system or vac bags
lung board
- Supine
- Both arms elevated and adequately supported
- Adequate support of head and knees
AIO system
Multifunctional Accessories allow RTs create multiple
immobilisation options
how to straighten patient
line sagittal laser through... -nasal septum – along of the sternal notch – Xiphoid process – through the symphysis pubis
