All about pleural effusion : Definition Pathophysiology Causes/Etiology(Exudative and Transudative) Investigation methods Diagnostic approach Treatment I. Definition of Pleural effusion : This is the area between the lung and the chest wall that usually contains a thin layer of fluid that acts as a coupling mechanism. When there is an excess of fluid in the … Continue reading What is Pleural effusion – Causes, Pathology, Treatment