Pleural effusion Flashcards
1
Q
What is pleural effusion?
A
Fluid in pleural cavity
2
Q
CXR finding in pleural effusion
A
Loss of Costo-phrenic angle (CPA)
3
Q
Types of pleural effusion
A
Transudative - B ilateral
in Liver, heart, kidney failure
Exudative - Unilateral
in Pneumonia, Carcinoma, TB
4
Q
Light criteria
A
Exudative pleural effusion
LDH and protein in pleural fluid compared with blood
Transudative
LDH <200 IU/ml
LDH/serum LDH <0.6
Protein/serum protein <0.5
Exudative
LDH >200 IU/ml
LDH/serum LDH >0.6
Protein/serum protein >0.5
5
Q
Mx of pleural effusion
A
- Small effusion - observe
- Fluid aspiration/tapping (NO MORE THAN1.5L) - sudden re-expansion may cause pulm oedema
- Chest drain - empyema/haemothorax