rad 125 exam 1 SPECIAL VIEWS C SPINE AND T SPINE

what view is this

ap dens, fuchs

what is teh reason to use the fuchs

allows imaging of the dens when the patient cannot open the mouth

patient position for the dens

extend chin until Mentomeatal line (MML) is near perpendicular to IR

central ray for fuchs

perpendicular, enters patient on MSP, just distal to chin tip, level with mastoid tips

how is the dens visualized using fuchs method

dens visualized within the opening of the foramen magnum surrounded by the ring of C1

Which intervertebral foramina (IF) are visualized in the LPO position? IF closer or further from board?

right; farther

Which intervertebral foramina (IF) are visualized in the RPO position? IF closer or further from board?

left; farther

Which intervertebral foramina (IF) are visualized in the LAO position? IF closer or further from board?

left; closer

Which intervertebral foramina (IF) are visualized in the RAO position? IF closer or further from board?

right; closer

what is the point of seeing Lateral C-Spine Hyperflexion and Hyperextension

to show the range of motion, for anterioir posterioir motion

What is the patient position for lateral C-Spine hyperflexion?

Looking down to the floor (Have the patient put their chin as close to their chest as possible)

What is the patient position for lateral C-Spine hyperextension?

Looking up at the ceiling (head as far back as possible)

what view is this

hyperextension

what view is this

hyperflexion

What is the CR direction for lateral C-Spine hyperextension?

Horizontal and perpendicular to C4.

What is the purpose of the Lateral Cervicothoracic (Swimmer's) projection?

To visualize C7, T1, and/or T2 on lateral views when anatomy blocks the vertebrae

where does the cr go for swimmers

Perpendicular to C7-T1 interspace if shoulder away from IR is depressed

in a Lateral Cervicothoracic (Swimmer's)

the arm closest to the board go up and farthest goes down

why does the arm closest to the board go up and farthest goes down

offset the shoulders to viasualize c7,t1,t2 on lateral views

what should you do if the perosn cannot depress the shoulders

if shoulder cannot be depressed angle 3 to 5 degrees caudad