Thoracic Spine Projections Flashcards
For All T-spine projections what is the cassette size?
14x17
For All T-spine projections what is the SID?
40”
For All T-spine projections what is the collimation?
7x17
For t-spine AP Projection (intervertebral disk spaces) what is the IR?
upper border of IR 1.5-2” above shoulders (Center T7)
For t-spine AP Projection (intervertebral disk spaces) what is the CR?
perpendicular to IR halfway between jugular notch and xiphoid process (nipple line)
For t-spine AP Projection (intervertebral disk spaces) what is the breathing instructions?
suspend at end of full expiration
For t-spine AP Projection (intervertebral disk spaces) what is the criteria to be met?
all 12 tspine
vertebral column aligned
no rotation spinous processes centered
For t-spine Lateral Projection (intervertebral Foramina) what is the IR?
upper border of IR 1.5-2” above shoulders
For t-spine Lateral Projection (intervertebral Foramina) what is the CR?
perpendicular to IR @ level of T7
female: CR angle 10 degree cephalic angle
male: CR angle 15 degree cephalic angle
For t-spine Lateral Projection (intervertebral Foramina) what is the breathing instructions?
breath normally
For t-spine Lateral Projection (intervertebral Foramina) what is the what is the criteria to be met?
12 tspine T1-T3 not seen well
Ribs superimposed
open intervertebral disk spaces
vertebrae seen through rib/luung shadows