Mobile

Question 1

where is mobile used

Answer 1

ICU & HD
isolation
DIL & unstable
procedures

Question 2

features of mobile machines

Answer 2

• easy cleaning
• maneuverable and lightweight mobility
• collapsible column
• telescopic arm for positioning flexibility in tight spaces
• large FOV

Question 3

what are some considerations when planning for mobile radiography

Answer 3

• order priority (routine or stat)
• doctors and nurses’ rounds
• patients’ meal/rest time
• visiting hours
• limited accessories
• battery power

Question 4

key artefacts to look out for

Answer 4

• endotracheal tube (ETT)
• central venous catheter (CVC)
• nasogastric tube (NGT)
• urinary catheter and bag

Question 5

important line positions

Answer 5

• ETT –> 5-7cm above the carina in neutral neck position
• CVC –> within the superior vena cava, at the cavoatrial junction
• NGT –> 10cm beyond the gastro-oesophageal junction
• urinary catheter and bag –> hanging below and by the side of the patient’s bed

Question 6

what other artefacts to look out for

Answer 6

• tracheostomy tubes
• port ‘A’ catheter
• peripherally inserted central catheter
• peripheral intravenous cannulas
• chest drainage tube
• abdominal drainage tube
• intra-arterial line
• percutaneous nephrotomy tube
• colostomy bag
• nasojejunal tube
• venti mask
• nasal prongs
• ECG monitoring
• BP monitoring cuffs
• pulse oximeter
• restrainers
• orthopedic traction devices

Question 7

before making an exposure, what must be done

Answer 7

• inform ward staff of your presence
• identify patient with 2 identifiers
• if possible, ask relatives to leave the cubicle
• lead apron for yourself or make sure you are 2m away from the primary x-ray beam

Question 8

type of infection control

Answer 8

• protective
• airborne
• contact
• full

Question 9

explain airborne isolation

Answer 9

with anteroom

the anteroom should be at positive pressure with respect to the isolation room and at negative pressure with respect to the corridor

Question 10

function of anteroom

Answer 10

should not be shared between isolation rooms

• controlled area in which transfer of supplies, equipment and people can occur without contamination on the surrounding areas
• barrier against potential loss of pressurisation
• controls the entry or exit of contaminated air when anteroom door is opened
• PPE can be donned or removed prior to entry/exit of the isolation room