Procedures Skull Positioning Review Flashcards

(43 cards)

1
Q

Skull Routine

A

PA Skull
AP Towne
RT/LT Laterals

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2
Q

Sinuses Routine

A

Caldwell
Open Mouth Waters
Lateral of affected side
Submentalvertical

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3
Q

PA Skull

CR

A

⊥ nasion

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4
Q

AP Towne

CR

A

<30° Caudal to pass through sella tursica

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5
Q

AP Towne

CR on not flexible pt

A

<37° Caudal to pass through sella tursica

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6
Q

Lateral Skull

CR

A

⊥ 2” Above EAM

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7
Q

XTable Lateral Skull

CR

A

⊥ 2” Superior to EAM

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8
Q

Caldwell Sinus

CR

A

<15° Caudal to nasion

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9
Q

Open Mouth Waters Sinus

A

⊥ open mouth

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10
Q

Lateral of affected side

A

⊥ to 1/2 way between outer canthus and EAM

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11
Q

SMV Sinus

A

⊥ to IOML entering midway between gonions to pass through sella tursica

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12
Q

PA Skull

SS

A

Frontal bone

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13
Q

AP Towne
SS
4

A

Occipital bone

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14
Q

Laterals Skull
SS
6

A

(Side closest to IR)

Parietal and temporal

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15
Q

Xtalbe Lateral
SS
2

A

Detail of side closest to IR

Demonstrates possible A/F levels in sphenoid sinus which may indicate basilar skull fx

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16
Q

Caldwell
SS
1

A

Best demonstrates frontal and ethmoid sinuses

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17
Q

Open Mouth Waters Sinuses
SS
2

A

Maxillary sinuses
Sphenoid sinuses
Seen through open mouth

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18
Q

Lateral affected side Sinuses
SS
2

A

Lateral projection of all 4 sides

Sella tursica

19
Q

SMV Sinuses
SS
1

A

Sphenoid sinus anterior to foramen magnum

20
Q

PA Skull
Eval Criteria
3

A

Petrous ridges 2/3 to filling orbits
AP, Orbits will be magnified
No tilt or rotation

21
Q

AP Towne
Eval Criteria
2

A

Dorsum sellae and posterior clinoids within foramen magnum

No tilt or rotation

21
Q

Caldwell Sinuses
Eval Criteria
2

A

No tilt or rotation

Petrous ridges in lower 1/3 of orbits

22
Q

Open Mouth Waters
Eval Criteria
3

A

Mouth open
No tilt or rotation
Petrous ridges just below maxillary sinuses

23
Q

Lateral Sinuses
Eval Criteria
3

A

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
Open Mouth Waters Sinus | Baseline
MML ⊥ IR
30
Caldwell Sinus | Baseline
OML ⊥ IR
31
Lateral Sinuses | Baseline
MSP // IR IPL ⊥ IR IOML ⊥ Front edge of IR
32
SMV Sinuses | Baseline
IOML // to IR
33
Alternate name for Waters projection
parietoacanthial
34
Alternate name for AP Towne projection
Grashey
35
MSP
Separates the skull into right and left halves
36
Coronal
Separates skull into anterior and posterior portions
37
Transverse
Separates the skull into inferior and superior portions
38
Tilt
Lateral bending at neck with vertex lt or rt
39
PA Skull | PP
OML ⊥ IR | Patient seated true PA
40
Lateral Skull PP 5
``` Head true lateral IOML ⊥ Edge of IR Body semi prone MSP // IR IPL ⊥ IR ```
41
Open Mouth Waters Sinuses PP 3
Pt upright true PA | MML ⊥ to IR then have pt drop jaw
42
AP Towne PP 2
Pt seated True AP | OML ⊥ IR