Asthma: Causes, Pathophysiology, Treatment

A disease characterized by variable, recurrent, reversible airway obstruction with intermittent episode of wheezing and dyspnea. It is associated with bronchial hypersensitivity and inflammation caused by various stimuli. Asthma is the most common chronic disease of childhood with 5% to 10% of school-aged children having symptoms of asthma. Asthma may develop on infants, but it…

Respiratory Disorders: Asthma, Bronchitis, Emphysema, Cystic Fibrosis

Asthma – results in contraction of smooth muscle that surrounds airways – makes breathing difficult – allergic reaction – treat with bronchodilators – causes airways to dilate (increase in diameter) Bronchitis – inflammation of bronchial lining + overproduction of mucous and frequent coughing – related to smoking and other irritants (air pollution etc) – increased…