Sandbox: Bronchiolitis DD: Difference between revisions

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! colspan="2" |Symptoms
! colspan="2" |Symptoms
!
!
! colspan="2" |Signs
! colspan="3" |Signs
! colspan="2" |Diagosis
! colspan="2" |Diagosis
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|-
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!Wheezes
!Wheezes
!Crackles
!Crackles
!Edema
!Lab tests
!Lab tests
!Imaging  
!Imaging  
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| +/-
| +/-
|Dry
|Dry
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|<nowiki>-</nowiki>
|<nowiki>+</nowiki>
|<nowiki>+</nowiki>
| +
| +
| -
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* No specific lab findings  
* No specific lab findings  
* Viral tests like ELISA and immunoassays may be done in case of RSV infection.
* Viral tests like ELISA and immunoassays may be done in case of RSV infection.
* Pulmonary function test is performed to exclude other lung diseases.
* Pulmonary function test is performed to exclude other lung diseases.
|No specific imaging findings.
|
* Ct scan shows Intense bronchiolar mural inflammation of cellular bronchiolitis results in centrilobular nodulesthat are usually associated with the tree-in-bud pattern and bronchial wall thickening
|-
|-
|Asthma
|Asthma
|<nowiki>-</nowiki>
|<nowiki>-</nowiki>
|Dry/Productive
|Dry/Productive
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| -
|<nowiki>+</nowiki>
|<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.
|
* CT scan shows dilated bronchi, bronchial wall thickening and air trapping.
|-
|-
|COPD
|COPD
|<nowiki>+</nowiki>
|<nowiki>+</nowiki>
|Productive
|Productive
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|<nowiki>+</nowiki>
|<nowiki>+</nowiki>
|Productive
|Productive
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| +
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|Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia<ref name="pmid21471097">{{cite journal| author=Nassar AA, Jaroszewski DE, Helmers RA, Colby TV, Patel BM, Mookadam F| title=Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia: a systematic overview. | journal=Am J Respir Crit Care Med | year= 2011 | volume= 184 | issue= 1 | pages= 8-16 | pmid=21471097 | doi=10.1164/rccm.201010-1685PP | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21471097  }} </ref>
|Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia
| -
| -
|Dry
|Dry
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| +
| +
| -
| -
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* Pulmonary function test shows obstructive lung disease
* Pulmonary function test shows obstructive lung disease
|CT scan shows multiple nodules , ground glass appearance and bronchiectasis.
|
* CT scan shows multiple nodules , ground glass appearance and bronchiectasis.
|-
|-
|Tuberculosis  
|Tuberculosis  
| +
| +
|Bloody  
|Bloody  
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|<nowiki>+</nowiki>
|<nowiki>+</nowiki>
|Productive  
|Productive  
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| -
| -
|Dry
|Dry
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| -
| -
|Dry
|Dry
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| -
| -
| -
| -
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* Nasopharyngeal swab
* Nasopharyngeal swab
* Culture
* Culture
* Serology to detect pertussis toxin.
* Serology to detect pertussis toxin.
|No remarkable imaging findings.
|
* No remarkable imaging findings.
|-
|-
|Congestive heart failure
|Congestive heart failure
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* Routine lab tests:
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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).
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).
<references />
<references />

Revision as of 15:53, 22 June 2017

Bronchiolitis should be differentiated with other diseases that cause cough and dysnea.

Diseases Symptoms Signs Diagosis
Fever Cough Chest pain Wheezes Crackles Edema Lab tests Imaging
Bronchiolitis +/- Dry - + + -
  • 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.
  • Ct scan shows Intense bronchiolar mural inflammation of cellular bronchiolitis results in centrilobular nodulesthat are usually associated with the tree-in-bud pattern and bronchial wall thickening
Asthma - Dry/Productive - + -
  • 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 + Productive
Bacterial pneumonia + Productive
Pulmonary embolism - Bloody + +
Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia - Dry - + -
  • Pulmonary function test shows obstructive lung disease
  • CT scan shows multiple nodules , ground glass appearance and bronchiectasis.
Tuberculosis + Bloody
Interstitial pneumonitis (Hamman - Rich syndrome) + Productive
Foreign body aspiration - Dry
Sarcoidosis - Dry
Pertussis + Dry - -
  • Nasopharyngeal swab
  • Culture
  • Serology to detect pertussis toxin.
  • No remarkable imaging findings.
Congestive heart failure - Dry/Productive +
  • Routine lab tests:

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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