| mycoplasma pneumonia of pigs | A worldwide chronic pneumonia usually involving only the anterior lobes; it seldom causes death but is responsible for much unthriftiness; it is caused by the bacterium Mycoplasma hyopneumoniae. Synonym: virus pneumonia of pigs. (05 Mar 2000) |
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| postoperative pneumonia | Pneumonia following surgery due to viral or bacterial infection or pulmonary atelectasis. (05 Mar 2000) |
| primary atypical pneumonia | An acute systemic disease with involvement of the lungs, caused by Mycoplasma pneumoniae and marked by high fever, cough, relatively few physical signs, and scattered densities on X-rays; usually associated with development of cold agglutinins and antibodies to the bacteria. Synonym: atypical pneumonia, Eaton agent pneumonia, mycoplasmal pneumonia. (05 Mar 2000) |
| Hecht's pneumonia | A rare complication of measles, with the postmortem finding of multinucleated giant cells lining alveoli. Synonym: Hecht's pneumonia, interstitial giant cell pneumonia. (05 Mar 2000) |
| progressive pneumonia | A chronic progressive, viral disease of sheep and goats manifested as maedi or visna in different parts of the world. See: maedi, visna. (05 Mar 2000) |
| progressive pneumonia virus | A retrovirus (subfamily Lentivirinae) that is the cause of maedi; it is very similar to the visna virus Synonym: medi virus, progressive pneumonia virus. (05 Mar 2000) |
| hospital acquired pneumonia | A type of pneumonia that is caused by bacteria contracted during a hospitalisation. These hospital-acquired infections tend to be more difficult to treat due to the bacteria's relative resistance to common forms of antibiotic therapy. Risk of nosocomial (hospital-acquired) infection is a major determinant when a physician decides whether or not the risks outweigh the benefits concerning necessity for hospitalisation. (27 Sep 1997) |
| purulent pneumonia | Pneumonia caused by an organism that produces pus, implying that there can be destruction of lung tissue with permanent changes; usually sputum contains pus. Staphylococci, haemolytic streptococci, and Friedlander's bacillus are typical causes, as opposed to Streptococcus pneumoniae, which is rarely a cause of purulent pneumonia. (05 Mar 2000) |
| septic pneumonia | Any pneumonia associated with the formation of pus and destruction of pulmonary tissue; abscess formation may occur. Synonym: septic pneumonia. (05 Mar 2000) |
| hypostatic pneumonia | Pneumonia resulting from infection developing in the dependent portions of the lungs due to decreased ventilation of those areas, with resulting failure to drain bronchial secretions; occurs primarily in the aged or those debilitated by disease who lie in the same position for long periods. (05 Mar 2000) |
| staphylococcal pneumonia | Pneumonia, usually caused by Staphylococcus aureus, usually commencing as a bronchopneumonia, and frequently leading to suppuration and destruction of lung tissue. (05 Mar 2000) |
| streptococcal pneumonia | Pneumonia due to Streptococcus pyogenes. (05 Mar 2000) |
| nosocomial pneumonia | <chest medicine> A type of pneumonia that is caused by bacteria contracted during a hospitalisation. These hospital-acquired infections tend to be more difficult to treat due to the bacteria's relative resistance to common forms of antibiotic therapy. Risk of nosocomial (hospital-acquired) infection is a major determinant when a physician decides whether or not the risks outweigh the benefits concerning necessity for hospitalisation. (13 Nov 1997) |
| suppurative pneumonia | Any pneumonia associated with the formation of pus and destruction of pulmonary tissue; abscess formation may occur. Synonym: septic pneumonia. (05 Mar 2000) |
| deglutition pneumonia | <chest medicine> Refers to the inappropriate passage of food, water, stomach acid, vomit or another foreign material into the lungs. Aspiration, particularly involving gastric acid, will often result in a serious pneumonia. (27 Sep 1997) |