Tweet Definition of Pneumothorax (collapsed lung), Pneumothorax is is defined as the presence of air in the pleural space. Air in the pleural space occurring spontaneously or from trauma. In patients...

Tweet copd Chronic Obstructive Pulmonary Disease (COPD) is a disease state characterized by airflow limitation that is not fully reversible, sometimes referred to as chronic airway obstruction or...

Tweet Bronchiectasis is a chronic pulmonary disease characterized by permanent abnormal dilatation and destruction of the elastic and muscular components of the walls of major bronchi and bronchioles....