Chemical pneumonitis is inflammation of the lung caused by irritation from aspirated vomitus, ingested gasoline or other petroleum distillates, ingested or skin adsorbed pesticides, gasses from electroplating, or other irritants. It is sometimes called a "chemical pneumonia", though it is not infectious. Vomiting (or emesis) is the forceful expulsion of the contents of ones stomach through the mouth. ... Petrol (gasoline in the United States and Canada) is a petroleum-derived liquid mixture consisting primarily of hydrocarbons, used as fuel in internal combustion engines. ... Fractional distillation is the separation of a mixture of compounds by their boiling point, by heating to high enough temperatures. ... An airplane spreading pesticide. ... Electroplating is the coating of an electrically conductive item with a layer of metal using electrical current. ...
Pneumonia may occur in people of all ages, although young children, the elderly, and immunocompromised patients are especially at risk.
Symptoms of pneumonia commonly include shortness of breath; coughing that produces greenish or yellow sputum; a high fever (that may be accompanied with sweating, chills, and rigors [shaking]); sharp or stabbing chest pain, worsened by deep breaths or coughs (pleuritic chest pain); and rapid, shallow breathing that is often painful.
In nosocomial pneumonia (pneumonia that was acquired while the patient was in hospital for other treatment) and in immunocompromised patients, a clear diagnosis of pneumonia can be difficult; thus, a chest CT scan and/or other tests are often required to rule out causes such as pulmonary embolism).
Pneumonia (the ancient Greek word for lungs) is defined as an inflamation, usually caused by infection, involving the alveoli of the lungs.
Pneumonia is an infectious disease by definition, and whether a patient is prone to develop pneumonia depends on the presence of pathogens but equally on the patient's immune system and other factors.
In the United States mortality from pneumococcal pneumonia is 1 in 20, in cases where the disease progresses to blood poisoning, bacteremia, 2 of 10 die and where the disease affects the brain, meningitis, 3 of 10 die.
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