Atypical pneumonia, also known as walking pneumonia,[1] is any type of pneumonia not caused by one of the pathogens most commonly associated with the disease. Its clinical presentation contrasts to that of "typical" pneumonia. A variety of microorganisms can cause it. When it develops independently from another disease, it is called primary atypical pneumonia (PAP).
The term was introduced in the 1930s[2][3] and was contrasted with the bacterial pneumonia caused by Streptococcus pneumoniae, at that time the best known and most commonly occurring form of pneumonia. The distinction was historically considered important, as it differentiated those more likely to present with "typical" respiratory symptoms and lobar pneumonia from those more likely to present with "atypical" generalized symptoms (such as fever, headache, sweating and myalgia) and bronchopneumonia.[4]
^Walter C, McCoy MD (1946). "Primary atypical pneumonia: A report of 420 cases with one fatality during twenty-seven month at Station Hospital, Camp Rucker, Alabama". Southern Medical Journal. 39 (9): 696–706. doi:10.1097/00007611-194609000-00005. PMID 20995425. S2CID 5232855.
^Pneumonia, Atypical Bacterial at eMedicine
^Pneumonia, Typical Bacterial at eMedicine
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Atypicalpneumonia, also known as walking pneumonia, is any type of pneumonia not caused by one of the pathogens most commonly associated with the disease...
anatomic classifications of pneumonia (the other being bronchopneumonia and atypicalpneumonia). In children round pneumonia develops instead because the...
human pathogen that causes the disease mycoplasma pneumonia, a form of atypical bacterial pneumonia related to cold agglutinin disease. M. pneumoniae...
specific type of pneumonia referred to as atypicalpneumonia. That is not to say that atypicalpneumonia is strictly caused by atypical bacteria, for this...
symptoms such as primary atypicalpneumonia, tracheobronchitis, and upper respiratory tract disease. Primary atypicalpneumonia is one of the most severe...
Pneumocystis pneumonia (PCP), also known as Pneumocystis jirovecii pneumonia (PJP), is a form of pneumonia that is caused by the yeast-like fungus Pneumocystis...
history before 1950. This atypical bacterium commonly causes pharyngitis, bronchitis, coronary artery disease and atypicalpneumonia in addition to several...
faeces) are inhaled. Pneumonia caused by Yersinia pestis is usually called pneumonic plague. Atypical bacteria causing pneumonia are Coxiella burnetii...
Walking pneumonia is usually caused by the atypical bacterium, Mycoplasma pneumoniae. Hospital-acquired pneumonia, also called nosocomial pneumonia, is pneumonia...
pneumonia was first described by Hobart Reimann in 1984, in an article published by JAMA, An Acute Infection of the Respiratory Tract with Atypical Pneumonia:...
from asymptomatic to systemic illness with severe pneumonia. It presents chiefly as an atypicalpneumonia. In the first week of psittacosis, the symptoms...
complications include diarrhea (in 8% of cases), middle ear infection (7%), and pneumonia (6%). These occur in part due to measles-induced immunosuppression. Less...
Viral pneumonia presents more commonly with wheezing than bacterial pneumonia. Pneumonia was historically divided into "typical" and "atypical" based...
usually last five to seven days. Complications may occasionally include pneumonia, inflammation of the brain, and bacterial skin infections. The disease...
discovered that the etiological agent of primary atypicalpneumonia (also called "walking pneumonia") was not a virus as previously believed. He was the...
with antifungal medications. Histoplasma and other fungal causes of atypicalpneumonia can be grown on this medium. Sabouraud agar used in combination with...
pneumonia, which suggests that Streptococcus pneumoniae is a cause of occult pneumonia. Occult pneumonia, however, can also be the result of atypical...
case to be considered probable, a chest X-ray must be indicative for atypicalpneumonia or acute respiratory distress syndrome.[citation needed] The WHO has...
exhibit no symptoms. During its course, the disease can progress to an atypicalpneumonia, which can result in a life-threatening acute respiratory distress...
common colds in adults, and more serious respiratory illnesses, such as pneumonia, in the elderly and immunocompromised. RSV can cause outbreaks both in...
Aspiration pneumonia is a type of lung infection that is due to a relatively large amount of material from the stomach or mouth entering the lungs. Signs...
(2014). "Death in the White House: President William Henry Harrison's AtypicalPneumonia". Clinical Infectious Diseases. 59 (7). Oxford University Press: 990–995...
Fungal pneumonia is an infection of the lungs by fungi. It can be caused by either endemic or opportunistic fungi or a combination of both. Case mortality...
Pathogenic bacteria contribute to other globally important diseases, such as pneumonia, which can be caused by bacteria such as Staphylococcus, Streptococcus...
M. pneumoniae, which is an important cause of atypicalpneumonia (formerly known as "walking pneumonia"), and M. genitalium, which has been associated...
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