Chylothorax and Chylopericardium: A Complication of Long-Term Central Venous Catheter Use

Table 1

Light’s Criteria.

Pleural Fluid	PF/Serum; Protein Ratio	PF/Serum; LDH Ratio	PF LDH > Upper 2/3 Limit of Normal
Transudative	<0.5	<0.6	<2/3
Exudative	≥0.5	≥0.6	≥2/3