Respiratory Diseases

What is Emphysema? Emphysema condition is defined as the distention of the air spaces distal to the terminal bronchioles with the destruction of alveolar septa within the lungs. It is generally present in both lungs. Air sacs distend and…

What is Chronic Bronchitis? This condition is seen mostly in cold, wet, polluted environments. It is associated with excessive tracheobronchial mucous production sufficient to cause cough with expectoration for 3 months a year for more…

What is Pneumothorax? It is defined as a collection of gas in the pleural space that results in the complete or partial collapse of the lung. Normally the pressure in the normal pleural sac is sub-atmospheric. With the leakage of air into…

What is Pleural Effusion? It is the collection of fluid between the two layers of the pleura. Causes 1. Pleuritis. 2. Cancer Lung. 3. Tuberculosis. 4. Heart Failure. 5. Lymphatic obstruction-Lymph channels provide the only route for…

What is Lung Abscess? A lung abscess is a necrotic area of lung tissue containing pus. Causes 1. Bacteria, fungi, parasites. 2. Septic embolism. 3. Inflammation of blood vessels 4. Cancer 5. Occupational e.g. Miners, asbestos…