Infection control 3 Flashcards
what are X-rays hazardous to?
living tissues
when can X-ray effects begin?
right away or it may take a while
what is the legislation regarding X-ray?
Ionising radiations regulations 2017
what risks are involved in X-rays?
radiation
lifting patients
electric shocks
tripping over cables
anaesthesia n gases
risk of being bitten
what are the 3 main principles for radiation?
time distance & shielding
factors of the controlled area?
specific room with thick walls
allow to stand at least 2m away from main beam
warning signs
controlled area by RPA
when machine is not in use must be disconnected from power source
what does the xray sign look like?
yellow and black that says xray with triangle and radiation symbol
who should not be in xrays?
anyone under 16
nobody pregnant
min no. of people
no pet owners
what PPE should be worn?
apron, gloves made of rubber and lead
what is a dosimetry?
worn on trunk beneath apron, only to be worn by whom is it issues to
not to be washed
it shows how much radiation you were exposed to
who should be aware of the local rules?
anyone working near or with xrays, should be given a copy and should be in the xray room
there should also be a written copy of a step by step procedure.
key rules in radiation?
Minimum no of people in room
Protective clothing or stand behind shields
Obey instructions given by authorised person
Beam must be collimated to the smallest size possible
Beam should be directed vertically
Beam must be entirely within the borders of the film
Grids only to be used if area is > 10cm thick
Method of restraint is of paramount importance
when should the rules be broken?
in severe circumstances eg, ruptured diaphragm, very ill, traumatic injury
how to reduce risk of radiation?
PPE- lead apron, gloves, thyroid protectors
Stand away from primary beam (2m or more in Small animal and ^meters or more in Large animal radiography)
Do not use manual restraint
Red light to warn others radiography currently in use
Lead proofed room
Collimate primary beam to avoid x-ray scatter
what is the definition for anaesthesia?
a state of controlled and reversible unconsciousness characterised by lack of pain sensation (ANALGESIA), lack of memory (AMNESIA) and relatively depressed reflex responses (IMMOBILISATION).
