Procedures Skull Positioning Flashcards Preview

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Flashcards in Procedures Skull Positioning Deck (46)
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1

For any headwork you should always

FB and clean IR

2

Skull Routine

PA
AP TOWNE
Laterals (Rt and Lt)

3

PA Skull
IR
SID

10x12 LW
40in

3

PA Skull
CR

Perp to nasion

4

PA Skull
PP
(3)

Pt seated true AP
OML perpendicular to IR
Head resting on forehead and nose

6

PA Skull
SS
(4)

Anterior and side walls of cranium
Crista galli
IAC
Lateral borders of orbits

7

Eval criteria
PA Skull
(3)

Petrous ridges 2/3 - filling orbits
no tilt or rotation
AP orbits will be magnified

8

Other name for AP Towne

Grashey

9

AP Towne
IR
SID

10x12 LW
40"

10

AP Towne
CR

Angle 30 degrees caudal to pass through sella tursica

10

How to find sella tursica

.75 in up anterior and superior from EAM

11

AP Towne
PP
(2)

Seated
True AP
OML perp to IR

12

AP Towne
SS
(4)

Primarily demonstrates occipital bone
Posterior clinoid processes
Dorsum sellae
Coronal and Lambdoidal sutures

13

Eval Criteria
AP Towne
(3)

Dorsum sellae and posterior clinoids within foramen magnum
No tilt or rotation

14

Laterals Lt and Rt
IR
SID

10x12 CW
40"

15

Laterals
PP
(5)

Body is semi-prone
head true lateral
MSP // IR
IPL Perp to IR
IOML Perp to front edge of IR

16

Laterals
SS
(6)

Lateral projection of entire cranium
Detail of side adjacent to IR
Sella turisca
Anterior clinoids
Posterior clinoids
Dorsum sellae

17

Laterals
Eval Criteria
Tilt
(5)

Mandibular shadows
orbital plates
sella tursica
anterior clinoid
base of skull

18

Laterals
Eval Criteria
Rotation
(5)

Mandibular shadows
squama portion of frontals
squama portion of occipital
anterior and posterior clinoid processes
sella tursica

19

Non Routine
XTable Lateral Skull
IR
SID

10x12 CW to pt with slip on grid
40"

20

XTable Lateral Skull
CR

Perpendicular to 2" SUPERIOR to EAM

21

XTable Lateral Skull
PP
(3)

Supine
No rotation of head
Elevate head on sponge

22

Xtable Lateral Skull
SS
(2)

Detail of side adjacent to IR
Demonstrates possible A/F level in sphenoid sinus which may indicate basilar skull fracture

23

Xtable Lateral Skull
Eval criteria

Same as lateral

24

Sinuses Routine

Caldwell
Open mouth waters
Lateral of affected side
SMV

ALL MUST HAVE EVIDENCE OF COLLIMATION ON ALL FOUR SIDES

25

Other name for Caldwell

AP Axial

26

Caldwell
IR
SID

8X10 LW
40"

27

Caldwell
CR

angle 15° caudal to nasion

28

Caldwell
PP
(3)

Seated true PA
OML perp to IR
Head resting on forehead and nose

29

Caldwell
Eval Criteria

Petrous ridges in lower 1/3 of orbits
No tilt or rotation