Common Respiratory Conditions + a FREE Cheat Sheet!
The most common lung diseases include: Asthma. Collapse of part or all of the lung (pneumothorax or atelectasis) Swelling and inflammation in the main passages (bronchial tubes) that carry air to the lungs (bronchitis).
Lower Respiratory Infections: Bronchitis, Bronchiolitis and Pneumonia. Etiology: Causative agents of lower respiratory infections are viral or bacterial. Viruses cause most cases of bronchitis and bronchiolitis. In community-acquired pneumonias, the most common bacterial agent is Streptococcus pneumoniae.
