Mycoplasma pneumonia

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Mycoplasma pneumonia
ICD-10 B96.0
ICD-9 483.0
MedlinePlus 000082
MeSH D011019

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Overview

Historical Perspective

Pathophysiology

Causes

Differentiating Mycoplasma pneumonia from other Diseases

Epidemiology and Demographics

Risk Factors

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

Chest X Ray

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Treatment

Medical Therapy

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Pneumonia Main Page

Mycoplasma pneumonia Microchapters

Home

Patient Information

Overview

Historical Perspective

Pathophysiology

Causes

Differentiating Mycoplasma pneumonia from other Diseases

Epidemiology and Demographics

Risk Factors

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

Chest X Ray

CT

Treatment

Medical Therapy

Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

Mycoplasma pneumonia On the Web

Most recent articles

Most cited articles

Review articles

CME Programs

Powerpoint slides

Images

American Roentgen Ray Society Images of Mycoplasma pneumonia

All Images
X-rays
Echo & Ultrasound
CT Images
MRI

Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

FDA on Mycoplasma pneumonia

CDC on Mycoplasma pneumonia

Mycoplasma pneumonia in the news

Blogs on Mycoplasma pneumonia

Directions to Hospitals Treating Mycoplasma pneumonia

Risk calculators and risk factors for Mycoplasma pneumonia

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2]

Overview

Pathophysiology

Mycoplasma pneumoniae is spread through respiratory droplet transmission. Once attached to the mucosa of a host organism, M. pneumonia extracts nutrients, grows and reproduces by binary fission. Attachment sites include the upper and lower respiratory tract, causing pharyngitis, bronchitis and pneumonia. The infection caused by this bacterium is called atypical pneumonia because of its protracted course and lack of sputum production and wealth of extra-pulmonary symptoms. Chronic mycoplasma infections have been implicated in the pathogenesis of rheumatoid arthritis and other rheumatological diseases.

References

Diagnosis

M. pneumoniae infections can be differentiated from other types of pneumonia by the relatively slow progression of symptoms, a positive blood test for cold-hemagglutinins in 50-70% of patients after 10 days of infection (cold-hemagglutinin-test should be used with caution or not at all since 50% of the tests are false-positive), lack of bacteria in a gram-stained sputum sample, and a lack of growth on blood agar. Mycoplasma atypical pneumonia can be complicated by Stevens-Johnson syndrome, hemolytic anemia, encephalitis or Guillain-Barré syndrome.

Treatment

Second generation macrolide antibiotics, doxycycline and second generation quinolones are effective treatments. Disease from mycoplasma is usually mild to moderate in severity.

History

M. pneumoniae was historically called "Eaton's agent"[1] because it is grown on Eaton's agar.

References

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