Flashcards in Procedures Skull Positioning Review Deck (43)
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1
Skull Routine
PA Skull
AP Towne
RT/LT Laterals
2
Sinuses Routine
Caldwell
Open Mouth Waters
Lateral of affected side
Submentalvertical
3
PA Skull
CR
⊥ nasion
4
AP Towne
CR
<30° Caudal to pass through sella tursica
5
AP Towne
CR on not flexible pt
<37° Caudal to pass through sella tursica
6
Lateral Skull
CR
⊥ 2" Above EAM
7
XTable Lateral Skull
CR
⊥ 2" Superior to EAM
8
Caldwell Sinus
CR
<15° Caudal to nasion
9
Open Mouth Waters Sinus
⊥ open mouth
10
Lateral of affected side
⊥ to 1/2 way between outer canthus and EAM
11
SMV Sinus
⊥ to IOML entering midway between gonions to pass through sella tursica
12
PA Skull
SS
Frontal bone
13
AP Towne
SS
4
Occipital bone
14
Laterals Skull
SS
6
(Side closest to IR)
Parietal and temporal
15
Xtalbe Lateral
SS
2
Detail of side closest to IR
Demonstrates possible A/F levels in sphenoid sinus which may indicate basilar skull fx
16
Caldwell
SS
1
Best demonstrates frontal and ethmoid sinuses
17
Open Mouth Waters Sinuses
SS
2
Maxillary sinuses
Sphenoid sinuses
Seen through open mouth
18
Lateral affected side Sinuses
SS
2
Lateral projection of all 4 sides
Sella tursica
19
SMV Sinuses
SS
1
Sphenoid sinus anterior to foramen magnum
20
PA Skull
Eval Criteria
3
Petrous ridges 2/3 to filling orbits
AP, Orbits will be magnified
No tilt or rotation
21
AP Towne
Eval Criteria
2
Dorsum sellae and posterior clinoids within foramen magnum
No tilt or rotation
21
Caldwell Sinuses
Eval Criteria
2
No tilt or rotation
Petrous ridges in lower 1/3 of orbits
22
Open Mouth Waters
Eval Criteria
3
Mouth open
No tilt or rotation
Petrous ridges just below maxillary sinuses
23
Lateral Sinuses
Eval Criteria
3
Sella tursica
Mandible
Frontal bone
24
SMV
Eval Criteria
2
Mandilbe S/I on frontal bone
No tilt or rotation
25
3 structures used to identify tilt rotation
Sella tursica
Anterior clinoid process
Mandibular shadows
26
PA Skull
Baseline
OML ⊥ IR
27
AP Towne
Baseline
OML ⊥ IR
28
Lateral Skull
Baseline
3
IPL ⊥ IR
IOML ⊥ to front edge of IR
29
