Centering Ray and Points Flashcards
what is the CR and CP for the AP supine abdomen view
iliac crest midline
what is the CR and CP for the AP erect abdomen view
horizontal ray to the midline of the lower costal margin
5cm superior to iliac crest
what is the CR and CP for the lateral decubitus abdomen view
horizontal ray to 5cm above iliac crest
what is the CR and CP for the lateral abdomen view
little bit superior to the iliac crest
what is the CR and CP for the dorsal decubitus abdomen view
horizontal ray to 5cm superior to the iliac crest
what is the CR and CP for the AP open mouth view
through the centre of the mouth
what is the CR and CP for the AP axial c-spine view
15-20 cranial
lower thyroid cartilage - C4 midline
what is the CR and CP for the ant/post oblique c-spine view
15-20 (post = cranial, ant = caudal)
C4
what is the CR and CP for the lateral c-spine view
horizontal ray to the C4 upper thyroid cartilage
what is the CR and CP for the cervicothoracic view
T1
2.5cm sup to jug notch
what is the CR and CP for the lateral hyperflex/extension c-spine view
C4 upper thyroid cartilage
what is the CR and CP for the AP humerus view
mid point of humerus
what is the CR and CP for the rotation lateral humerus view
mid point of humerus
what is the CR and CP for the mid/distal trauma lateral humerus view
mid point of distal 2/3 of humerus
what is the CR and CP for the transthoracic trauma lateral humerus view
mid hum shaft through the thorax
what is the CR and CP for the AP clavicle view
mid clavicle
what is the CR and CP for the AP axial clavicle view
15-30 cranial
mid clavicle
what is the CR and CP for the AP bilateral AC joints view
mid point betw AC joints
2.5cm above jugular notch
what is the CR and CP for the AP shoulder view
2.5cm inferior to coracoid
5cm inferior to acromion
what is the CR and CP for the glenoid shoulder view
scapulohumeral joint
5cm inferior and medial to supero lateral shoulder border
2.5cm inferior to coracoid
what is the CR and CP for the Y lateral scapula view
scapulohumeral joint
5cm inf to acromion
what is the CR and CP for the inferosuperior axial view
25-30 medial axilla and humeral head
what is the CR and CP for the AP lumbar spine view
open collimation = iliac crest - L4/5
tight collimation = lower costal margin - L3
what is the CR and CP for the post/ant oblique lumbar spine view
L3 lower costal margin
3-5cm above iliac crest and 5cm medial to upside ASIS
what is the CR and CP for the lateral lumbar spine view
open collimation = iliac crest - L4/5
tight collimation = lower costal margin - L3
what is the CR and CP for the lateral L5-S1 lumbar spine view
4cm inferior to iliac crest
5cm posterior to ASIS
what is the CR and CP for the AP axial L5-S1 lumbar spine view
30-35 cranial
midline ASIS level
what is the CR and CP for the AP axial sacrum view
15 cranial
5cm sup to pubic symph
what is the CR and CP for the AP axial coccyx view
10 caudal
5cm sup to pubic symph
what is the CR and CP for the lateral sacrum and coccyx view
8-10cm posterior to ASIS
what is the CR and CP for the AP axial SI joint view
30-35 cranial
5cm below ASIS
what is the CR and CP for the AP Femur view
mid femur between hip and knee
what is the CR and CP for the lateral Femur view
mid femur between hip and knee
what is the CR and CP for the AP pelvis view
midway between femur heads
midpoint between ASIS and pubic symph
5cm inf to ASIS
what is the CR and CP for the AP hip view
mid femoral neck
2.5-5cm medial and 8-10cm distal to ASIS
what is the CR and CP for the rolled lat hip view
mid fem neck
mid point between the ASIS and pubic symph
what is the CR and CP for the horizontal ray lat hip view
femoral neck
what is the CR and CP for the AP Thoracic spine view
T7
8-10cm inf to the jugular notch
1/2 way between jug notch and xiphisternum
what is the CR and CP for the lateral Thoracic spine view
T7
at inf scapula border
8-10cm inf to jugular notch
what is the CR and CP for the ant/post oblique Thoracic spine view
T7
8-10cm inf to the jugular notch
5cm inf to sternal angle
