Mobile Radiography Exam

MICU

Medical Intensive Care Unit

SICU

Surgical Intensive Care Unit

PACU

Post Anesthesia Care Unit

NICU

Neonatal Intensive Care Unit

When using calipers, where do you measure?

Central ray

Variable kVp

+/- 2 kVp for every 1 cm difference in body thickness

What SID is 1 M?

39.4 in

What SID is 1.5 M?

59 in

What SID is 2 M?

78.7 in

When do you use a grid for a chest?

30 cm or more

When do you use a grid for extremities?

10 cm or more with minimum 60 kVp

When do you use a grid for an abdomen?

Always (unless pediatric)

What should you do to technique with use of a grid?

Increase

A grid must be __________ to the primary beam in order to prevent grid cutoff and elongation/distortion.

Perpendicular

What type of generator does portables use?

High frequency

T/F: Mobile radiography produces some of the highest occupational radiation exposures for radiographers.

True

Where should a technologist stand during portables?

Minimum 6 ft (2m) away and 90 degrees from patient/primary beam

What is the minimum source-to-skin distance for patients on portables?

12 in (30 cm)

Lead Apron/Thyroid Shields minimum

0.5 mm Pb

T/F: You can remove splints/immobilizers prior to imaging.

False

A patient is collared. In order to move them, what do you do?

Nurse or physician to hold patient’s head and log roll

When do you disconnect or remove any wires?

MRI screening and stone protocol

Automatic verbal reports

PICC placement, NG tube placement, NICU new central line, MD requests verbal on order or bedside

Where does the tip of a central line or PICC line sit?

SVC

Where does the tip of an ET tube sit?

1 in above carina

PICC line patient position

RPO 15 degrees

What is the SID for PICC line placement?

45 in

What marker do you use for PICC line placement?

Side down (right)

What must you include on PICC line placement image?

Shoulder of insertion site and at least all of mediastinum

Why are patients in RPO for PICC line placement?

Visualization of PICC line away from spine

Other name for NG tube?

Keofeed

Large bore NG tube portable chest

Most of the image should be chest with feeding tube visualized

Large bore NG tube portable abdomen

Include more of the abdomen with feeding tube visualized; CR 2 in above crest

Foreign body abdomen

Skin to skin, diaphragm to symph

All hospital staff must scrub their hands for __________ before caring for a NICU patient

30 seconds

What detector is used for NICU?

9×11

How do we set technique in NICU?

By weight

NICU arm position

45 degrees by side

AP erect/supine chest (24 cm)

90 kVp @ 1.4 mAs

AP supine abdomen (24 cm)

80 kVp @ 16 mAs

Decubitus or transabdominal abdomen (30 cm)

80 kVp @ 25 mAs

How many ribs above diaphragm show a good inspiration?

10