Sternum and SCA Flashcards
(31 cards)
BO: 15-20deg
PAO Sternum
RAO Posn
RP: 1” lat to MSP - level -T7
PAO Sternum
RAO Posn
Sternum IR used
10x12 - longit
except: Moore Method - CW
Uses a 30” SID to blur the posterior ribs
- PAO Sternum (RAO)
- PAO Sternum - Moore Method
Demo slight oblique of sternum free from vertebral superimposition
PAO Sternum
RAO Posn
When breathing motion is to be used, instruct the patient to take slow, shallow breath during the exposure. When a short exposure time is to be used, instruct the patient to suspend breathing at the end of expiration to obtain a more uniform density.
- PAO Sternum
RAO Posn - Moore Method (PAO Sternum)
Modified Prone
PAO Sternum
Modification for trauma pts
Perform in upright APO Proj (LPO posn)
Alternative for conventional PAO Sternum (RAO Posn)
Moore Method (PAO)
Modified Prone
RP: 2” lat to MSP - level - T7
Moore Method (PAO)
Modified Prone
CR 25deg medially
Moore Method (PAO)
Modified Prone
Moore Method (PAO)
Modified Prone
XRT angulation may be adjusted. Large patients require (1), and thin patients require (2)
- less angulation
- more than 25deg medially
RP: Mid Lat (LA) - sternum
Lat Sternum
Uses a 72” SID to
reduce magnification and distortion of the POI
Lat Sternum
Demo superimposed sternoclavicular articulation including medial ends of clavicle
Lat Sternum
Lat Sternum
Modification for traumatic pts/ severe injury
Pt positioned in dorsal decub position
PA SCA
Bilateral vs Unilat Exam
Part Position
Bilat: chin - rest - RT; MSP in vertical
Unilat: head rotated facing affected SCA - cheek - rest - RT to prevent cervical spine superimposition
RP: T3
PA SCA
SCA IR used
8x10 - BD - CW except:
- PAO SCA
Central Ray Angulation Method: top RT - longit - Kurzbauer Method: 10x12 - BD - longit
Demo frontal image of SCA including medial ends of clavicle
PA SCA
PA SCA
Modification
Can be done in upright
BO: 10-15deg
PAO SCA
Body Rotation Method
RAO/ LAO Position
Projects vertebrae wall behind the SCA
PAO SCA
Body Rotation Method
RAO/ LAO Position
10-15deg BO
RP: T2-T3
PAO SCA
Body Rotation Method
RAO/ LAO Position
Demo slight oblique image of the SCA
PAO SCA
Body Rotation Method
RAO/ LAO Position