alveolus, air sac
Bronchospasm: This tightening of the bronchus is a chief characteristic of asthma and bronchitis
Bronchiectasis: Caused by weakening of the bronchial wall from infection. Bronchodilator: This drug causes dilation, or enlargement, of the opening of a bronchus to improve ventilation to the lungs. An example is
albuterol, delivered via an inhaler.
Bronchopleural: A bronchopleural fistula is an abnormal connection between the bronchial tube and the pleural cavity (space). Occurring as a result of lung disease or surgical complication, this can cause an air leak into the pleural space.
Bronchiolitis: This is an acute viral infection occurring in infants younger than 18 months of age
Cyanosis: Caused by deficient oxygen in the blood.
Epiglottitis: Characterized by fever, sore throat, and an erythematous, swollen epiglottis
larynx, voice box
Laryngospasm: Spasm of laryngeal muscles that closes the larynx Laryngitis
lobe of the lung
Mediastinoscopy: An endoscope is inserted through an incision in the chest. nas/o
Paranasal sinuses : Para- means near in this term.
Orthopnea : An abnormal condition in which breathing (-pnea) is easier in the Upright position. A major cause of orthopnea is congestive heart Failure (the lungs fill with fluid when the patient is lying flat). Physicians assess the degree of orthopnea by the number of
pillows a patient requires to sleep comfortably (e.g., two-pillow Orthopnea).
Hypoxia : Tissues have a decreased amount of oxygen, and cyanosis can result.
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