Bony Thorax Projections

Question 1

For all Sternum projections the cassette size is?

Answer 1

10x12

Question 2

For all Sternum projections the IR is?

Answer 2

1.5” above jugular notch

Question 3

For all sternum projections the collimation is?

Answer 3

10x12

Question 4

For PA oblique (RAO) Sternum what is the CR?

Answer 4

perpendicular to IR enters elevated side @ T7

patient rotated 15-20 degrees

Question 5

For PA oblique (RAO) Sternum what is the breathing instructions?

Answer 5

breathing technique or suspend at end of expiration

Question 6

For PA oblique (RAO) Sternum what is the criteria met?

Answer 6

entire sternum
sternum projected over heart
blurred pulmonary markings

Question 7

For Lateral Sternum what is the CR?

Answer 7

perpendicular to IR

entering lateral border of midsternum

Question 8

For Lateral Sternum what is the breathing instructions

Answer 8

suspend deep inspiration

Question 9

For Lateral Sternum what is the criteria met?

Answer 9

sternum in entirety

manubrium free of superimposition

Question 10

For all Rib projections the cassette size is?

Answer 10

14x17

Question 11

For all Rib projections the SID is?

Answer 11

upper: 72”
lower: 40”

Question 12

For all Rib projections the breathing instructions are?

Answer 12

upper : suspend at full inspiration

lower: suspend at end of expiration

Question 13

For all Rib projections collimation is?

Answer 13

14x17

Question 14

For PA Ribs (upper anterior ribs) what is the IR?

Answer 14

1.5” above shoulders

Question 15

For PA Ribs (upper anterior ribs) what is the CR?

Answer 15

perpendicular to IR CR at level of T7

Question 16

For PA Ribs (upper anterior ribs) what is the criteria to be met?

Answer 16

1-9 rib in entirety
1-7 anterior ribs
ANTERIOR against IR

Question 17

For AP Ribs (posterior ribs) what is the IR?

Answer 17

Upper: 1.5” above shoulders
lower: (Crosshair) between xiphoid process and rib margin

Question 18

For AP Ribs (posterior ribs) what is the CR?

Answer 18

Perpendicular to IR

Question 19

For AP Ribs (posterior ribs) what is the criteria to be met?

Answer 19

1-10 posterior ribs in entirety above diaphragm
8-12 posterior ribs in entirety below diaphragm
POSTERIOR against the IR

Question 20

For Axillary Ribs AP Obliques (RPO/LPO) what is the IR position?

Answer 20

Upper: 1.5” above shoulders
lower: (Crosshair) between xiphoid process and rib margin

Question 21

For Axillary Ribs AP Obliques (RPO/LPO) what is the CR position?

Answer 21

Perpendicular to IR
patient will be rotated 45 degree angle
AFFECTED Side CLOSEST TO IR

Question 22

For Axillary Ribs AP Obliques (RPO/LPO) what is the criteria to be met?

Answer 22

twice as much distance between vertebral column and border of ribs
axillary portion of ribs free of superimposition
1-10 ribs visible above diaphragm
8-12 ribs below diaphragm

Question 23

For Axillary Ribs PA Obliques (RAO/LAO) what is the IR position?

Answer 23

Upper: 1.5” above shoulders
lower: (Crosshair) between xiphoid process and rib margin

Question 24

For Axillary Ribs PA Obliques (RAO/LAO) what is the CR position?

Answer 24

Perpendicular to IR
patient will be rotated 45 degree angle
AFFECTED side AWAY from IR

Question 25

For Axillary Ribs PA Obliques (RAO/LAO) what is the criteria to be met?

Answer 25

twice as much distance between vertebral column and border of ribs
axillary portion of ribs free of superimposition
1-10 ribs visible above diaphragm
8-12 ribs below diaphragm