Sandbox: Bronchiolitis DD: Difference between revisions

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! rowspan="2" |Diseases
! rowspan="2" |Diseases
!Symptoms
!Symptoms
!Signs
! colspan="3" |Signs
! colspan="2" |Diagosis
! colspan="2" |Diagosis
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!Wheezes
!Crackles
!Neurological signs
!Lab tests
!Lab tests
!Imaging  
!Imaging  
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|Bronchiolitis
|Bronchiolitis
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|<nowiki>+</nowiki>
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* No specific lab findings  
* No specific lab findings  
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|Asthma
|Asthma
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|<nowiki>+</nowiki>
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* Lab tests are not specific for asthma but they are performed to exclude other diseases.
* Lab tests are not specific for asthma but they are performed to exclude other diseases.
* Serum examination shows elevated level of esoinophils due to allergy.   
* Serum examination shows elevated level of esoinophils due to allergy.   
|CT scan shows dilated bronchi, bronchial wall thickening and air trapping.<ref name="pmid9114089">Park CS, Müller NL, Worthy SA, Kim JS, Awadh N, Fitzgerald M (1997) [http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&retmode=ref&cmd=prlinks&id=9114089 Airway obstruction in asthmatic and healthy individuals: inspiratory and expiratory thin-section CT findings.] ''Radiology'' 203 (2):361-7. PMID: [http://pubmed.gov/9114089 9114089]</ref>
|CT scan shows dilated bronchi, bronchial wall thickening and air trapping.
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|COPD
|COPD
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|Bacterial pneumonia  
|Bacterial pneumonia  
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|Pulmonary embolism
|Pulmonary embolism
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|Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia
|Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia
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|Influenza  
|Influenza  
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|Common cold  
|Common cold  
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|Tuberculosis  
|Tuberculosis  
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|Interstitial pneumonitis (Hamman - Rich syndrome)  
|Interstitial pneumonitis (Hamman - Rich syndrome)  
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|Foreign body aspiration
|Foreign body aspiration
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|Sarcoidosis
|Sarcoidosis
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|Pertussis  
|Pertussis  
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* Nasopharyngeal swab
* Nasopharyngeal swab

Revision as of 14:13, 22 June 2017

Diseases Symptoms Signs Diagosis
Wheezes Crackles Neurological signs Lab tests Imaging
Bronchiolitis + + +
  • No specific lab findings
  • Viral tests like ELISA and immunoassays may be done in case of RSV infection.
  • Pulmonary function test is performed to exclude other lung diseases.
 No specific imaging findings.
Asthma + - -
  • Lab tests are not specific for asthma but they are performed to exclude other diseases.
  • Serum examination shows elevated level of esoinophils due to allergy.
 CT scan shows dilated bronchi, bronchial wall thickening and air trapping.
COPD
Bacterial pneumonia
Pulmonary embolism
Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia
Influenza
Common cold
Tuberculosis
Interstitial pneumonitis (Hamman - Rich syndrome)
Foreign body aspiration
Sarcoidosis
Pertussis - - -
  • Nasopharyngeal swab
  • Culture
  • Serology to detect pertussis toxin.
 No remarkable imaging findings.

Differential diagnosis of bronchiolitis: Asthma, COPD, sarcoidosis, pneumonia, heart failure, DIPNECH, foreign body inhalation, pulmonary embolism and GERD (in case it is associated with asthma).

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