Empyema is defined as a collection of pus in the pleural space and is a form of purulent (infected), pleural effusion. Pleural effusion refers to the build-up of excess fluid between the layers of the ...
Pleural effusions complicate up to 57% of bacterial pneumonias. They vary in severity, ranging from uncomplicated effusions to empyema. Some require only antibiotics and observation, while others ...