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Rad Procedures 1 > Portables > Flashcards

Portables Flashcards

1
Q

What is the most effective way to reduce radiation (ALARA)?

A

distance
at least six feet

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2
Q

When are you NOT able to give breathing instructions to a patient?

A

if they are intubated

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3
Q

How do you know when to expose for an intubated patient?

A

watch their chest for inspiration/expiration

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4
Q

Most common portable x-ray

A

Chest x-ray

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5
Q

Why might an exam be done portably?

A

doctor’s choice
isolation status
patient condition (bedridden or too ill or intubated)

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6
Q

Preferred position for CXR portable, why?

A

erect, air fluid levels

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7
Q

hardest aspect of a PCXR

A

proper angulation

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8
Q

how do you know your CR angle?

A

match the angle of the sternum

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9
Q

if your using a grid, how should your technique be adjusted

A

increase kvp

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10
Q

In what cases would you increase your technique

A

larger patient
using a grid

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11
Q

What body part thickness should you use a grid?

A

10 cm
4 inches

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12
Q

If a patient has a femoral line, you cannot sit them up more than ____ degrees

A

30

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13
Q

If a patient is receiving tube feeding through an NG tube, why do you not lay them supine?

A

aspiration risk

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14
Q

What is typical chest XR portable technique? Without a grid

A

85 kvp at 3-5 mas

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15
Q

What is average chest XR portable technique with a grid?

A

110-120 kvp at 2 mas

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16
Q

straight and horizontal clavicles indicate what on a portable CXR?

A

angled tube too cephalic

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17
Q

V shaped and low clavicles indicate what on a portable CXR?

A

angled tube too caudal

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18
Q

How long should a patient lie on their side for a decub image?

A

5 minutes

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19
Q

If looking for air, the affected side is ______ (up/down)

A

up

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20
Q

If looking for fluid, the affected side is _____ (up/down)

A

down

21
Q

why should you utilize a sponge in a lateral decub exam?

A

put under the side down so you can fully visualize that side of the chest/abdomen

22
Q

If you need to change your technique, what factor do you increase/decrease?

A

mas

23
Q

List the two primary types of mobile xray units.

A

battery powered, motor/battery driven
standard power, non-motor driven

24
Q

Which type of mobile unit is lighter in weight?

A

standard power

25
Q

Explain the concept of ALARA

A

avoiding unnecessary exposure that has no benefit to imaging

26
Q

What is the most effective radiation protection rule in reducing occupational exposure

A

distance

27
Q

T/F you can use AEC on a portable machine

A

false

28
Q

T/F a battery operated portable machine must be plugged in to make an exposure

A

False

29
Q

the cord that connects the remote to the machine must be how long?

A

6 feet

30
Q

A patient with very low white blood cell count is considered to be in what type of
isolation/transmission-based precautions?

A

Neutropenic

31
Q

Describe the 3 principles for portable/trauma radiography:

A

Two projections 90 degrees from each other
Entire body part/structure is on IR
Safety precautions of the patient, healthcare workers, and public

32
Q

What is the best position to perform an AP portable chest in and why?

A

erect to see air fluid levels

33
Q

List and describe three clinical indications why you would do an AP chest

A

hemothorax - blood in pleural space
pneumothorax - air in pleural space
pleural effusion - excessive fluid (non blood) in pleural space

34
Q

Technical factors for AP portable chest

A

110-120 kvp @ 2 mas (with grid)
80-90 kvp @ 2-5 mas (no grid)

35
Q

patient position for AP portable chest

A

erect as possible
chin raised
shoulders rolled forward if possible

36
Q

CR transverse centering for AP portable chest

A

T7 or 3-4 inches below jugular notch

37
Q

When evaluating an AP portable chest how can the clavicles help determine the correctness of
the tube angle?

A

Too cephalic of an angle: clavicles will be too high and horizontal
Too caudal of an angle: clavicles will be too low and dipping into a “V”

38
Q

What is an Endotracheal (ET) tube?

A

Breathing Tube

39
Q

What x-ray do we perform to confirm ET tube placement?

A

AP Chest

40
Q

Where is correct placement of an ET tube?

A

Approximately 5cm above carina

41
Q

Why do we perform lateral decubitus chest projections?

A

To evaluate air fluid levels when a patient cannot stand

42
Q

Describe how you would set and perform a portable lateral decubitus chest projection:

A

Patient is on side for 5 minutes
Arms up and out of the way
Side of interest – which side needs to be down depending on looking for air or fluid

43
Q

Which position or projection best demonstrates free intra-abdominal air for the patient who can
not stand or sit erect?

A

Left Lateral Decubitus

44
Q

Why do we routinely perform Left Lateral Decubitus abdomens?

A

To evaluate for abnormal densities in the liver or looking for free air or fluid in the abdomen

45
Q

Where do you center for a LLD abdomen?

A

2 inches above iliac crest and MSP

46
Q

To ensure the joints are open on an AP portable foot, how is the CR aligned?

A

perpendicular to the IR with a slight cephalic angle (5-10 degrees)

47
Q

If a patient cannot be positioned properly for an AP thumb, can you do a PA? If so, what is the disadvantage of performing a PA rather than AP projection?

A

yes
magnification

48
Q

Define NG and describe NG tube purpose:

A

NG = nasogastric tube
Feeds or suction of stomach contents

49
Q

What portable x-ray would be performed to determine NG tube placement?

A

Upper abdomen/chest

Rad Procedures 1 (5 decks)

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