Pneumonia is as an acute respiratory illness associated with recently developed radiological pulmonary shadowing, which may be segmental, lobar or multilobar.
The context in which pneumonia develops is highly indicative of the likely organism involved;
therefore, pneumonias are usually classified as community-or hospital-acquired, or as occurring in immunocompromised hosts.
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Asthma is a chronic inflammatory disorder of the airways, in which many cells and play a role. The chronic inflammation is associated with airway hyper-responsiveness that leads to recurrent episodes of wheezing, breathlessness, chest tightness and coughing, particularly at night and in the early morning.
These episodes are usually associated with widespread but variable airflow obstruction within the lung that is often reversible .
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Cough is the most frequent symptom of respiratory disease and is caused by stimulation of sensory nerves in the mucosa of the pharynx, larynx, trachea and bronchi. Changes in air temperature or exposure to irritants, such as cigarette smoke or perfumes. The characteristics of cough originating at various levels of the respiratory tract.
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• Massive haemoptysis
• Cor pulmonale
• Fibrosis/emphysema
• Atypical mycobacterial infection
• Aspergilloma
• Lung/pleural calcification
• Obstructive airways disease
• Bronchiectasis
• Bronchopleural fistula
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