Clinical Definition Bronchitis is inflammation of the main bronchial tubes leading to the lungs. In some instances, there may also be tracheal involvement. The condition can develop acutely from infectious agents like the parainfluenza virus, or occur chronically from bronchial epithelial injury due to lung irritants like cigarette smoking. In Our Own Words Bronchitis, when…
Bronchodilator
Clinical Definition A bronchodilator is any drug, medicine or substance that causes the bronchial tubes of the respiratory tract to dilate, relaxing the bronchial muscles and increasing oxygenated airflow to the lungs. In Our Own Words Bronchodilators are most commonly referred to as types of medications that help relax and widen (or dilate) the air…