Positioning

Question 1

CR for a chest

Answer 1

T7, 7-8” below vertebral prominens (C7), 3-4” below jugular notch

Question 2

What should be included in a chest x-ray

Answer 2

Lungs from apices to costophrenic angles, 10 ribs above the diaphragm

Question 3

What is the angle for an AP lordotic chest

Answer 3

15-20 cephalic. Puts clavicles above the apices

Question 4

CR for supine (KUB) abdomen

Answer 4

Level of iliac crest to show outline of liver, spleen, psoas muscles, kidneys and pubic symphysis

Question 5

CR for erect abdomen

Answer 5

2” above iliac crest. Include diaphragm to show air fluid levels

Question 6

CR for a hand

Answer 6

3rd metacarpalphalangeal jt & include 1” of distal forearm

Question 7

How much is the hand rotated for an oblique hand

Answer 7

Laterally 45 deg with no overlap of body of 3-5 metacarpals

Question 8

CR for a lateral hand

Answer 8

2nd metacarpalphalangeal jt

Question 9

CR for finger

Answer 9

Proximal interphalangeal jt

Question 10

CR for thumb

Answer 10

First metacarpalphalangeal jt to include distal phalanx to trapezium

Question 11

CR for wrist

Answer 11

Mid-carpals

Question 12

How much is the wrist obliqued for oblique wrist

Answer 12

45 deg laterally

Question 13

Why are the fingers curled under for a wrist

Answer 13

Decreases OID between IR and carpals

Question 14

How many carpals are there and what are they

Answer 14

8 (hand supinates, starting at the bottom by the radius - so long to pinky, heres comes the thumb) scaphoid, lunate, triquetrum, pisiform, hamate, capitate, trapezoid, trapezium

Question 15

What is the scaphoid view of the wrist

Answer 15

AKA PA/ PA axial with ulnar deviation/ modified stecher method
hand pronated, then evert hand toward ulnar side (medial) to show the scaphoid carpal
can angle the tube 10-15 toward the elbow

Question 16

What is the gaynor- hart method/ tangential inferosuperior wrist

Answer 16

shows the carpal canal
dorsiflex wrist and rotate internally 10 deg, angle tube 25-30 deg to long axis of the palmar surface of hand, CR 1” distal to base of 3rd metacarpal

Question 17

How much is the elbow obliqued for medial/lateral oblique elbow

Answer 17

40-45 deg

Question 18

What is the coyle method/ axial lateromedial elbow

Answer 18

to show the radial head: flex elbow 90 deg, hand pronated, 45 deg angle toward shoulder
to show coronoid process: flex elbow 80 deg, hand pronated, 45 deg angle away from shoulder

Question 19

CR for AP external rotation of shoulder

Answer 19

1 in below the coracoid process

Question 20

What does the external rotation of the shoulder show

Answer 20

the greater tubercle

Question 21

What does the internal rotation of the shoulder show

Answer 21

the lesser tubercle

Question 22

What is the grashey method/ AP oblique- glenoid cavity

Answer 22

oblique pt 35-45 deg towards side of interest (body of scapula is parallel to IR) CR enters at the scapulohumeral jt

Question 23

What is the inferosuperior axial shoulder - lawrence method

Answer 23

pt supine with arm abducted 90 deg, hand supinated, CR 25-30 deg medially to axilla

Question 24

PA oblique of the shoulder- scapular Y lateral and Neer method

Answer 24

pt in 45-60 deg oblique, CR to scapulohumeral jt

Neer method/ supraspinatus outlet: tube 10-15 deg caudal to BD the acromiohumeral space