Most GI infections are caused by organisms in four groups (genera): Escherichia, Salmonella, Shigella, and Yersinia, although other members of the family have been implicated in diarrheal diseases.3 Most extraintestinal infections are caused by Escherichia coli, Klebsiella pneumoniae, Klebsiella oxytoca, Proteus mirabilis, Pantoea agglomerans, ...
Lobar pneumonia is a form of pneumonia that affects a large and continuous area of the lobe of a lung.It is one of the two anatomic classifications of pneumonia (the other being bronchopneumonia).obar pneumonia usually has an acute progression. Classically, the disease has four stages: 1  Congestion in the first 24 hours: This stage is characterized histologically by vascular engorgement, intra-alveolar fluid, small numbers of neutrophils, often numerous bacteria. 2  Grossly, the lung is heavy and hyperemic.
Noun. 1. lobar pneumonia-pneumonia affecting one or more lobes of the lung; commonly due to streptococcal infection. pneumonia-respiratory disease characterized by inflammation of the lung parenchyma (excluding the bronchi) with congestion caused by viruses or bacteria or irritants.egionnaires' disease-acute (sometimes fatal) lobar pneumonia caused by bacteria of a kind first recognized after an outbreak of the disease at an American Legion convention in Philadelphia in 1976; characterized by fever and muscle and chest pain and headache and chills and a dry cough.