Shared Flashcard Set

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Mastoids - Modified Law
Mastoid positioning
11
Medical
Professional
02/19/2013

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Cards

Term
Modified Law

15/15 method
Definition
Axiolateral Oblique
Term
Patient position

(Modified Law)
Definition
Prone or seated upright

Tape Aurical forward
Term
Part position

(Modified Law)
Definition
Head in true lateral w/affected side closer IR
Term
Part position: IOML

(Modified Law)
Definition
Parallel to IR
Term
Part position: Interpupillary line (IPL)

(Modified Law)
Definition
Perpendicular to IR
Term
Part position: MSP

(Modified Law)
Definition
Angled 15º toward IR
Term
CR Angle

(Modified Law)
Definition
15º Caudal to midpoint of IR
Term
CR Exit

(Modified Law)
Definition
Mastoid tip closest to IR 1 inch posterior to EAM
Term
CR Entrance

(Modified Law)
Definition
2 inches posterior and superior to EAM
Term
Structures shown 1

(Modified Law)
Definition
Mastoid air cells, lateral portion of petrous pyramid and TMJ anterior to to mastoid process
Term
Structures shown 2

(Modified Law)
Definition
Superimposed IAM and EAM and Mastoid emissary vessel when present
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