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Lower respiratory tract infection ( LRTI) is a term often used as a synonym for pneumonia but can also be applied to other types of infection including lung abscess and acute bronchitis. Symptoms include shortness of breath, weakness, fever, coughing and fatigue. [ 3] A routine chest X-ray is not always necessary for people who have symptoms of ...
Acute: ~5% of people a year [ 2][ 3] Chronic: ~5% of people [ 3] Bronchitis is inflammation of the bronchi (large and medium-sized airways) in the lungs that causes coughing. Bronchitis usually begins as an infection in the nose, ears, throat, or sinuses. The infection then makes its way down to the bronchi.
Acute bronchitis, also known as a chest cold, is short-term bronchitis – inflammation of the bronchi (large and medium-sized airways) of the lungs. [ 2][ 1] The most common symptom is a cough. [ 1] Other symptoms include coughing up mucus, wheezing, shortness of breath, fever, and chest discomfort. [ 2] The infection may last from a few to ...
Respiratory diseases range from mild and self-limiting, such as the common cold, influenza, and pharyngitis to life-threatening diseases such as bacterial pneumonia, pulmonary embolism, tuberculosis, acute asthma, lung cancer, [ 2] and severe acute respiratory syndromes, such as COVID-19. [ 3] Respiratory diseases can be classified in many ...
Respiratory tract infections ( RTIs) are infectious diseases involving the lower or upper respiratory tract. [ 1] An infection of this type usually is further classified as an upper respiratory tract infection (URI or URTI) or a lower respiratory tract infection (LRI or LRTI). Lower respiratory infections, such as pneumonia, tend to be far more ...
Obstructive lung disease is a category of respiratory disease characterized by airway obstruction. Many obstructive diseases of the lung result from narrowing (obstruction) of the smaller bronchi and larger bronchioles, often because of excessive contraction of the smooth muscle itself. It is generally characterized by inflamed and easily ...
Bronchiolitis is inflammation of the small airways in the lungs. Acute bronchiolitis is due to a viral infection usually affecting children younger than two years of age. [ 5] Symptoms may include fever, cough, runny nose, wheezing, and breathing problems. [ 1] More severe cases may be associated with nasal flaring, grunting, or the skin ...
Pneumonitis describes general inflammation of lung tissue. [ 1][ 2] Possible causative agents include radiation therapy of the chest, [ 3] exposure to medications used during chemo-therapy, the inhalation of debris (e.g., animal dander ), aspiration, herbicides or fluorocarbons and some systemic diseases. If unresolved, continued inflammation ...