This presentation discusses empyema thoracis, an infection where pus develops in the pleural space between the lungs and chest wall. It will cover the definition, pathogenesis, causes, signs and symptoms, diagnosis, treatment, complications, and nursing management of empyema thoracis. The objectives are to understand empyema thoracis, its pathogenesis and causes, signs and symptoms, diagnosis, treatment and nursing management, and complications. Empyema thoracis is usually caused by a bacterial pneumonia that leads to a parapneumonic pleural effusion progressing to pus in the pleural space in three stages. Treatment involves chest tube drainage of pus, antibiotics, thoracentesis, and possible ple