Exam 3 Lower Extremities Flashcards
body parts measuring more than ___ mm are taken using the bucky instead of recumbent
11
breathing instructions for all lower extremities
don’t breath don’t move
true AP position for femur, knee, leg and ankle
knee extended
foot dorsi-flexed
leg internally rotated 5 degrees (2nd toe pointed up)
legs are internally rotated 15 degrees for which 2 views
pelvis
AP hip
why is the leg internally rotated for pelvis and AP hip views? (2)
elongates femoral neck
places greater trochanter in profile
AP pelvis
top of the film/light field should be where
1 1/2 inches above the crest
AP pelvis
__x__ cassette
orientation
patient orientation
14x17
transverse
recumbent or upright with femur internally rotated 15 degrees
sacrum series (2)
AP
lateral
what is the tube tilt for AP sacrum
15 degrees cephalic
AP sacrum
cassette size
patient position
CR position
10x12
recumbent
2” below ASIS or halfway between ASIS and PS
T or F
shielding is used for AP sacrum
false
lateral sacrum
film size
CR location
shielding
10x12
3” below crest and 1” posterior to midaxillary plane
no shielding
coccyx series (2)
AP
lateral
collimation for coccyx
to part size, roughly 4x4
tube tilt for AP coccyx
10 degree caudal
