week 6: special projections (chest and abd) Flashcards

1
Q

Abd lateral decubitus position has the CR enter at ____

A

2 inches above the iliac crest

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2
Q

Determining air fluid levels in a chest XR requires a completely _____________, as in ____________

A

erect position with a horizontal CR, PA or decubitus chest

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3
Q

all chest XR are taken with an SID of _______

A

72 inches

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4
Q

An AP supine or AP semi-erect chest XR is taken with the IR in __________ orientation

A

portrait or landscape

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5
Q

what is to note about the AP supine/semierect CR for a chest XR?

A

CR angled caudad to be perpendicular to long axis of sternum (generally a ~5 degree angle)

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6
Q

in an AP supine/semierect chest XR, CR angled ________ to be __________ to long axis of _______ (generally a _______________)

A

caudad, perpendicular, sternum, ~5 degree angle

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7
Q

with the chest XR in the supine/semi erect position, it is preferred for patient to be (completely supine/adjusted to semi-erect) if possible

A

adjusted to semi-erect

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8
Q

what are the 3 exceptions noted in the Bontrager book for evaluation criteria of an AP projection of a supine/semi-erect chest XR?

A
  1. Heart appears larger due to an increased mag. from shorter SID and increased OID of heart
  2. Possible pleural effusions for this type of patient often obscures vascular lung markings
  3. Usually, inspiration is not as full
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9
Q

for an AP projection supine/semi-erect chest XR, correct CR angle leads to ____ being in the same horizontal plane with an ________________

A

clavicles, unobstructed view of apical regions

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10
Q

SID for all chest XR, standard or special projections

A

72 inches

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11
Q

IR size for all chest XR, standard or special projections

A

14x17 inches

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12
Q

A lateral decubitus (AP projection) chest XR is taken with the IR in __________ orientation

A

landscape

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13
Q

patient positioning notes for lateral decubitus (AP projection) chest XR (1 of 2)

-cardiac board on cart or _______ under patient
-patient’s ____ extended, both arms raised _______
-back of patient __________

A

-radiolucent pad
-chin, above head
-firmly against IR

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14
Q

patient positioning notes for lateral decubitus (AP projection) chest XR (2 of 2)

-cart ____
-pillow under patient’s ____
-knees __________
-_______________ with no body rotation

A

-locked
-head
-flexed slightly
-coronal plane parallel to the IR

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15
Q

in a lateral decubitus chest XR, for possible air/pneumothorax, suspected side should be _____

A

up

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16
Q

in a lateral decubitus chest XR, for possible fluid/pleural effusion, suspected side should be _____

A

down

17
Q

what is to note about the CR in a lateral decubitus (AP projection) chest XR?

A

CR is horizontal, directed to the center of IR at T7 (3 to 4 inches inferior to level of jugular notch)

18
Q

with an AP projection of chest, how can one locate T7?

A

T7 is 3-4 inches inferior to the level of the jugular notch

19
Q

for exposure in a lateral decubitus (AP projection) chest XR, optimal contrast scale and exposure should result in _______________________________

A

faint visualization of vertebrae and ribs through heart shadow

20
Q

which needs to be included for an upright abdomen XR: diaphragm or pubic symphysis

A

diaphragm