Pneumonia differential diagnosis: Difference between revisions

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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" | [[Acute bronchitis]]
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" | [[Acute bronchitis]]
| style="padding: 5px 5px; background: #F5F5F5;" | No infiltrates seen on the CXR.
| style="padding: 5px 5px; background: #F5F5F5;" | No infiltrates seen on the chest X-ray.
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" | [[Asthma]]
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" | [[Asthma]]
| style="padding: 5px 5px; background: #F5F5F5;" | Past medical history, no infiltrates seen on chest X Ray.
| style="padding: 5px 5px; background: #F5F5F5;" | Past medical history, no infiltrates seen on chest X-ray.
|-
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" | [[Bronchiolitis obliterans]]  
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" | [[Bronchiolitis obliterans]]  
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" | [[COPD]]
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" | [[COPD]]
| style="padding: 5px 5px; background: #F5F5F5;" | Past medical history, no infiltrates on chest X Ray, fever is uncommon
| style="padding: 5px 5px; background: #F5F5F5;" | Past medical history, no infiltrates on chest X-ray, fever is uncommon.
|-
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" | [[Empyema]]
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" | [[Empyema]]
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" | [[Gastroesophageal reflux disease]] (GERD)
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" | [[Gastroesophageal reflux disease]] (GERD)
| style="padding: 5px 5px; background: #F5F5F5;" | Normal chest X ray, symptoms worsening during night and associated with meals.
| style="padding: 5px 5px; background: #F5F5F5;" | Normal chest X-ray, symptoms are worse during night and associated with meals.
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Lung abscess]]  
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Lung abscess]]  
| style="padding: 5px 5px; background: #F5F5F5;" | CXR showing signs of [[lung abscess]]
| style="padding: 5px 5px; background: #F5F5F5;" | Chest X-ray shows signs of [[lung abscess]].
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" | [[Lung cancer]]  
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" | [[Lung cancer]]  
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" | [[Pulmonary embolus]]
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" | [[Pulmonary embolus]]
| style="padding: 5px 5px; background: #F5F5F5;" | A high degree of suspicion should be kept for [[pulmonary embolus]]. Chest X Ray may be normal.
| style="padding: 5px 5px; background: #F5F5F5;" | A high degree of suspicion should be kept for [[pulmonary embolus]]. Chest X-ray may be normal.
|-
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| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Sinusitis]]
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |[[Sinusitis]]

Revision as of 17:30, 2 December 2014

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.D. [2]

Pneumonia Microchapters

Home

Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Pneumonia from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

Diagnostic Criteria

Diagnostic Algorithm

History and Symptoms

Physical Examination

Laboratory Findings

Chest X Ray

CT

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Overview

Pneumonia should be differentiated from other conditions that cause cough, fever, shortness of breath and tachypnea, such as asthma, COPD, CHF, cancer, GERD, pulmonary emboli.

Differentiating Pneumonia from other Diseases

Differential Diagnosis of Pneumonia [1][2][3]
Disease Findings
Acute bronchitis No infiltrates seen on the chest X-ray.
Asthma Past medical history, no infiltrates seen on chest X-ray.
Bronchiolitis obliterans Should be suspected in patients with pneumonia who do not respond to antibiotics treatment.
Congestive heart failure Bilateral pulmonary edema, shortness of breath.
COPD Past medical history, no infiltrates on chest X-ray, fever is uncommon.
Empyema CXR showing features of pleural effusion, inflammatory markers on thoracocentesis.
Endocarditis Finding of septic pulmonary emboli
Gastroesophageal reflux disease (GERD) Normal chest X-ray, symptoms are worse during night and associated with meals.
Lung abscess Chest X-ray shows signs of lung abscess.
Lung cancer Weight loss, clear sputum. 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. Chest X-ray may be normal.
Sinusitis Sinus tenderness, post nasal drip.
Vasculitis Systemic manifestations of collagen vascular disease may be seen.

References

  1. Schiele F, Muller J, Colinet E, Siest G, Arzoglou P, Brettschneider H; et al. (1992). "Interlaboratory study of the IFCC method for alanine aminotransferase performed with use of a partly purified reference material". Clin Chem. 38 (12): 2365–71. PMID 1458569.
  2. Castro-Guardiola A, Armengou-Arxé A, Viejo-Rodríguez A, Peñarroja-Matutano G, Garcia-Bragado F (2000). "Differential diagnosis between community-acquired pneumonia and non-pneumonia diseases of the chest in the emergency ward". Eur J Intern Med. 11 (6): 334–339. PMID 11113658.
  3. Ahnsjö, Sven (1935). "Contribution to the Differential Diagnosis of Pneumonia in Childhood". Acta Paediatrica. 17 (3): 439–446. doi:10.1111/j.1651-2227.1935.tb07697.x. ISSN 0803-5253.


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