Community-acquired pneumonia differential diagnosis: Difference between revisions
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* [[Acute bronchitis]] - No infiltrates on the CXR. | * [[Acute bronchitis]] - No infiltrates on the CXR. | ||
* [[Asthma]]- No infiltrates on | * [[Asthma]]- No infiltrates on the CXR. | ||
* [[Bronchiolitis obliterans | * [[Bronchiolitis obliterans organizing pneumonia|Bronchiolitis obliterans with organizing pneumonia]] should be suspected in patients who fail to respond to antibiotics. | ||
* [[Congestive heart failure]] - Bilateral [[pulmonary edema]], involving more than the lower lung fields. | * [[Congestive heart failure]] - Bilateral [[pulmonary edema]], involving more than the lower lung fields. | ||
* [[ | * [[Chronic obstructive pulmonary disease]] - No infiltrates on the CXR. | ||
* [[Empyema]] - | * [[Empyema]] - [[Pleural effusion]]s on the CXR; positive inflammatory markers on [[pleural fluid]] anaylsis. | ||
* [[Endocarditis]] with septic [[pulmonary emboli]] | * [[Endocarditis]] with septic [[pulmonary emboli]] | ||
* [[Gastroesophageal reflux disease]] - Normal chest X Ray, symptoms worsening during night. | * [[Gastroesophageal reflux disease]] - Normal chest X Ray, symptoms worsening during night. | ||
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* [[Malignancy]] - CT scan and biopsy are helpful in ruling out malignancy. | * [[Malignancy]] - CT scan and biopsy are helpful in ruling out malignancy. | ||
* [[Pertussis]] - Productive cough for weeks, nasopharyngeal aspirate aids in diagnosis. | * [[Pertussis]] - Productive cough for weeks, nasopharyngeal aspirate aids in diagnosis. | ||
* [[Pulmonary embolus]] - A high degree of suspicion should be kept for [[pulmonary embolus]]. | * [[Pulmonary embolus]] - A high degree of suspicion should be kept for [[pulmonary embolus]]. CXR may be insiginificant. | ||
* [[Sinusitis]] - Sinus tenderness, post nasal drip. | * [[Sinusitis]] - Sinus tenderness, [[post-nasal drip]]. | ||
* [[Upper respiratory tract infection]] | * [[Upper respiratory tract infection]] | ||
* [[Vasculitis]] - Systemic manifestations of [[collagen vascular disease]] may be seen. | * [[Vasculitis]] - Systemic manifestations of [[collagen vascular disease]] may be seen. | ||
==Differential Diagnosis of Community-Acquired Pneumonia Depending on Chest Radiograph== | |||
====Abnormal chest radiograph==== | ====Abnormal chest radiograph==== | ||
*[[Congestive heart failure]] accompanied by viral infection | |||
*Aspiration pneumonitis | * [[Congestive heart failure]] accompanied by viral infection | ||
*[[Pulmonary infarction]] | * Aspiration pneumonitis | ||
*Acute exacerbation of [[pulmonary fibrosis]] | * [[Pulmonary infarction]] | ||
*Acute exacaerbation of [[bronchiectasis]] | * Acute exacerbation of [[pulmonary fibrosis]] | ||
*Acute [[eosinophilic pneumonia]] | * Acute exacaerbation of [[bronchiectasis]] | ||
*[[Hypersensitivity pneumonitis]] | * Acute [[eosinophilic pneumonia]] | ||
*Pulmonary vasculitis | * [[Hypersensitivity pneumonitis]] | ||
*Cocaine-induced lung injury | * Pulmonary vasculitis | ||
* Cocaine-induced lung injury | |||
====Normal chest radiograph==== | ====Normal chest radiograph==== | ||
*Acute exacerbation of chronic obstructive pulmonary disease | |||
*Influenza | * Acute exacerbation of [[chronic obstructive pulmonary disease]] | ||
*Acute bronchitis | * [[Influenza]] | ||
*Pertussis | * [[Acute bronchitis]] | ||
*Asthma with viral | * [[Pertussis]] | ||
* [[Asthma]] with viral infection | |||
==References== | ==References== | ||
Revision as of 17:13, 19 February 2014
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Community-Acquired Pneumonia Microchapters |
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Differentiating Community-acquired pneumonia from other Diseases |
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Risk calculators and risk factors for Community-acquired pneumonia differential diagnosis |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Differentiating Pneumonia From Other Diseases
- Acute bronchitis - No infiltrates on the CXR.
- Asthma- No infiltrates on the CXR.
- Bronchiolitis obliterans with organizing pneumonia should be suspected in patients who fail to respond to antibiotics.
- Congestive heart failure - Bilateral pulmonary edema, involving more than the lower lung fields.
- Chronic obstructive pulmonary disease - No infiltrates on the CXR.
- Empyema - Pleural effusions on the CXR; positive inflammatory markers on pleural fluid anaylsis.
- Endocarditis with septic pulmonary emboli
- Gastroesophageal reflux disease - Normal chest X Ray, symptoms worsening during night.
- Influenza
- Lung abscess - CXR showing signs of lung abscess.
- Malignancy - CT scan and biopsy are helpful in ruling out malignancy.
- Pertussis - Productive cough for weeks, nasopharyngeal aspirate aids in diagnosis.
- Pulmonary embolus - A high degree of suspicion should be kept for pulmonary embolus. CXR may be insiginificant.
- Sinusitis - Sinus tenderness, post-nasal drip.
- Upper respiratory tract infection
- Vasculitis - Systemic manifestations of collagen vascular disease may be seen.
Differential Diagnosis of Community-Acquired Pneumonia Depending on Chest Radiograph
Abnormal chest radiograph
- Congestive heart failure accompanied by viral infection
- Aspiration pneumonitis
- Pulmonary infarction
- Acute exacerbation of pulmonary fibrosis
- Acute exacaerbation of bronchiectasis
- Acute eosinophilic pneumonia
- Hypersensitivity pneumonitis
- Pulmonary vasculitis
- Cocaine-induced lung injury
Normal chest radiograph
- Acute exacerbation of chronic obstructive pulmonary disease
- Influenza
- Acute bronchitis
- Pertussis
- Asthma with viral infection