Ribs Positioning

Question 1

What SID is used for rib views?

Answer 1

40”

Question 2

What breathing technique is used for imaging above the diaphragm?

Answer 2

Full inspiration

Question 3

What breathing technique is used for imaging below the diaphragm?

Answer 3

Full expiration

Question 4

Why are AP rib views taken?

Answer 4

For posterior rib pain or unknown area of cancer

Question 5

Why are PA rib views taken?

Answer 5

For anterior rib pain

Question 6

What are the structures seen for an AP rib view above diaphragm?

Answer 6

• 1st to 10th posterior ribs above diaphragm
• Ribs visible through lungs with sufficient image contrast

Question 7

What are the structures seen for a PA rib view above diaphragm?

Answer 7

• 1st to 9th ribs in their entirety with the posterior portions lying above the diaphragm
• Ribs visible through lungs with sufficient image contrast

Question 8

Where is the CR for a AP/PA above diaphragm view?

Answer 8

Level of T7

Question 9

How is the patient positioned for an upright AP/PA above diaphragm view?

Answer 9

• Center midpoint of affected side to center of IR
• Rest the patients hands, palms outward against hips

Question 10

How is the patient positioned for a supine AP/PA above diaphragm view?

Answer 10

• Center midpoint of affected side to center of IR
• Extend the arms to the vertical position with the hands under the head

Question 11

What are the structures seen for AP/PA below diaphragm views?

Answer 11

8th-12th posterior ribs seen below diaphgram

Question 12

How is the patient positioned for AP/PA below diaphragm views?

Answer 12

• Center midpoint of affected side to middle of IR
• Abduct arm of affected side

Question 13

Where is the CR for AP/PA below diaphragm views?

Answer 13

Bottom of IR at top of iliac crest

Question 14

What are the structures seen for an above diaphragm 45 degree RPO/LPO/RAO/LAO?

Answer 14

Axillary portion of ribs 1-10 free of superimposition

Question 15

Where is the CR for an above diaphragm 45 degree RPO/LPO/RAO/LAO?

Answer 15

Top of IR 1 1/2” above top of shoulder

Question 16

How is the patient positioned for an above diaphragm 45 degree RPO/LPO?

Answer 16

• Center midpoint of affected side to midpoint of IR
• Abduct arm from affected side
• Place patient in 45 degree RPO/LPO position
• Affected side is closes to IR

Question 17

How is the patient positioned for an above diaphragm 45 degree RAO/LAO?

Answer 17

• Center midpoint of affected side to midpoint of IR
• Abduct arm from affected side
• Place patient in 45 degree RAO/LAO position
• The affected side is furthest from the IR

Question 18

What are the structures seen for a below diaphragm 45 degree RPO/LPO/RAO/LAO?

Answer 18

Axillary portion of ribs 8-12 free of superimposition

Question 19

Where is the CR for a below diaphragm 45 degree RPO/LPO/RAO/LAO?

Answer 19

Bottom of IR at top of iliac crest

Question 20

How is the patient positioned for a below diaphragm 45 degree RPO/LPO?

Answer 20

• Place patient in 45 degree RPO/LPO position
• Center midpoint of affected side to midpoint of IR
• Abduct arm of affected side
• Affected side is closest to IR

Question 21

How is the aptient positioned for a below diaphragm 45 degree RAO/LAO?

Answer 21

• Place patient in 45 degree RAO/LAO position
• Center midpoint of affected side to midpoint of IR
• Abduct arm of affected side
• Affected side is farthest from IR

Question 22

What IR is used for AP/PA above diaphragm imaging for unilateral and bilateral?

Answer 22

14x17

Question 23

What IR is used for AP/PA below diaphragm imaging for unilateral and bilateral?

Answer 23

• 14x17 bilateral
• 10x12 unilateral

Question 24

What IR is used for a below diaphragm 45 degree RPO/LPO/RAO/LAO?

Answer 24

10x12

Question 25

What IR is used for an above diaphragm 45 degree RPO/LPO/RAO/LAO?

Answer 25

14x17