Pulmonology Flashcards
1
Q
What indicates a chylothorax pleural effusion?
A
Triglycerides > 110 in pleural fluid
2
Q
What does lymphocytes > 50% in pleural effusion indicate?
A
TB or malignancy
3
Q
What does amylase suggest in pleural fluids (2)?
A
Esophageal perforation or pancreatitis
4
Q
What is Light’s criteria?
A
Pleural protein/Serum protein > 0.5
Pleural LDH/Serum LDH > 0.6
Pleural LDH > 2/3 of upper limit of normal of serum LDH
5
Q
What causes exudative effusions? What causes transudative effusions?
A
Transudative effusions are caused by differences in oncotic and hydrostatic pressures.
Exudative effusions are due to changes in vascular permeability
