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Spring 2023 > AP/PA oblique lumbar > Flashcards

AP/PA oblique lumbar Flashcards

1
Q

How much is the patient oblique for this image?

A

45 degrees

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2
Q

How much obliquity is needed to best demonstrate the L5-S1 zygapophyseal joint?

A

30-60 degrees

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3
Q

What is the central ray location?

A

L3, 2” medial to elevated ASIS

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4
Q

What is the preferred breathing instruction?

A

Suspend after expiration

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5
Q

What structures are best demonstrated in RPO?

A

Right zygo

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6
Q

What structures are best demonstrated in LPO

A

Left zygo

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7
Q

What structures are best demonstrated in RAO?

A

Left zygo

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8
Q

What structures are best demonstrated in LAO?

A

Right zygo

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9
Q

How can you determine that you are correctly obliqued? Be specific

A

Nose of scotty dog anterior 3rd of the vertebral body. If nose sticks out, the patient is under rotated. Pedicle should be in center of vertebral body

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10
Q

If the intervertebral disk spaces are not open, what positioning error occurred?

A

Back is not straight

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Spring 2023 (81 decks)

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