Respiratory Flashcards

1
Q

What are Light’s Criteria

A

Differentiates exudate from transudate

Pl protein: ser protein ratio >0.5
Pl LDH: ser LDH >0.6
Pl LDH >2/3 upper limit of normal

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2
Q

How can pleural fluid albumin differentiate exudate?

A

Ser - eff albumin <1.2g/dL

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