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SID"
60-72" VGD due to increased OID
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PT
upright for pt comfort, positioning ease, + increased SID
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Part
body & head rotated 45°, shoulder touching, pt looks straight ahead
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CR
15-20° cephalic thru C4, enters @ thyroid cartilage
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ID
Right, face up in light field
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SS
IV foramina + pedicles farthest film, obl bodies
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EC
open IV foramina farthest IR, chin not over C1+2, occipital bone not over C1, all 7 vertebrae + T1
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