Exudate
Types
Purulent or suppurative exudate consists of plasma with both active and dead neutrophils, fibrinogen, and necrotic parenchymal cells. This kind of exudate is consistent with more severe infections, and is commonly referred to as pus.

Exudate

Section Title: Types
Table Section Text: Purulent or suppurative exudate consists of plasma with both active and dead neutrophils, fibrinogen, and necrotic parenchymal cells. This kind of exudate is consistent with more severe infections, and is commonly referred to as pus.

Transudate vs. exudate viewtalkedit

Transudate	Exudate

Main causes	↑ hydrostatic pressure, ↓ colloid osmotic pressure	Inflammation-Increased vascular permeability

Appearance	Clear	Cloudy

Specific gravity	< 1.012	> 1.020

Protein content	< 2.5 g/dL	> 2.9 g/dL

fluid protein/ serum protein	< 0.5	> 0.5

SAAG = Serum [albumin] - Effusion [albumin]	> 1.2 g/dL	< 1.2 g/dL

fluid LDH upper limit for serum	< 0.6 or < ​2⁄3	> 0.6 or > ​2⁄3

Cholesterol content	< 45 mg/dL	> 45

Radiodensity on CT scan	2 to 15 HU	4 to 33 HU

Sentence(s)

The specific gravity of the transudate has less than 1.012.

final_sentence: The specific gravity of the transudate has less than 1.012.