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==Distinctive features of Legionnaires' disease==
==Distinctive features of Legionnaires' disease==


===Signs and symptoms===
===Clinical manifestations===
* High grade fever
* High grade fever
* Dry cough
* Dry cough
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==Distinctive features of Acute interstitial pneumonia==
==Distinctive features of Acute interstitial pneumonia==


===Signs and symptoms===
===Clinical manifestations===
* Dry cough
* Dry cough
* Progressive dyspnea
* Progressive dyspnea
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==Distinctive features of Mycoplasma pneumonia==
==Distinctive features of Mycoplasma pneumonia==


===Signs and symptoms===
===Clinical manifestations===
* Dry cough
* Dry cough
* Pleuritic chest pain
* Pleuritic chest pain
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==Distinctive features of Pneumococcal pneumonia==
==Distinctive features of Pneumococcal pneumonia==


===Signs and symptoms===
===Clinical manifestations===
* Hemoptysis
* Hemoptysis
* Fine rales
* Fine rales
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==Distinctive features of Pneumocystis carinii pneumonia==
==Distinctive features of Pneumocystis carinii pneumonia==


===Signs and symptoms===
===Clinical manifestations===
* Immunosuppressive state
* Immunosuppressive state
* Mediastinal emphysema
* Mediastinal emphysema
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==Distinctive features of Pulmonary embolism==
==Distinctive features of Pulmonary embolism==


===Signs and symptoms===
===Clinical manifestations===
* Calf pain / swelling  
* Calf pain / swelling  
* Decreased pulse pressure
* Decreased pulse pressure
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==Distinctive features of Streptococcal pneumonia==
==Distinctive features of Streptococcal pneumonia==


===Signs and symptoms===
===Clinical manifestations===
* Pectoriloquy  
* Pectoriloquy  
* Bronchial breath sounds  
* Bronchial breath sounds  
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==Distinctive features of Viral pneumonia==
==Distinctive features of Viral pneumonia==


===Signs and symptoms===
===Clinical manifestations===
* Pleuritic chest pain
* Pleuritic chest pain
* Bronchial breath sounds  
* Bronchial breath sounds  

Revision as of 03:23, 3 August 2015

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

Instructions

Differentiating Legionnaires' disease from other diseases

The following conditions must be considered in the differential diagnosis of Legionnaires' disease: DDx [1][2][3][4][5][6][7]

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2] Mahshid Mir, M.D. [3]

Differential Diagnosis
DDx Alphabetic Order
A B
C D
E F
G H
I J
K L
M N
O P
Q R
S T
U V
W X
Y Z


Template:WikiDoc Sources

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [4] Mahshid Mir, M.D. [5]

Differential Diagnosis
DDx Alphabetic Order
A B
C D
E F
G H
I J
K L
M N
O P
Q R
S T
U V
W X
Y Z


Template:WikiDoc Sources

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [6] Mahshid Mir, M.D. [7]

Differential Diagnosis
DDx Alphabetic Order
A B
C D
E F
G H
I J
K L
M N
O P
Q R
S T
U V
W X
Y Z


Template:WikiDoc Sources

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [8] Mahshid Mir, M.D. [9]

Differential Diagnosis
DDx Alphabetic Order
A B
C D
E F
G H
I J
K L
M N
O P
Q R
S T
U V
W X
Y Z


Template:WikiDoc Sources

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [10] Mahshid Mir, M.D. [11]

Differential Diagnosis
DDx Alphabetic Order
A B
C D
E F
G H
I J
K L
M N
O P
Q R
S T
U V
W X
Y Z


Template:WikiDoc Sources

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [12] Mahshid Mir, M.D. [13]

Differential Diagnosis
DDx Alphabetic Order
A B
C D
E F
G H
I J
K L
M N
O P
Q R
S T
U V
W X
Y Z


Template:WikiDoc Sources

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [14] Mahshid Mir, M.D. [15]

Differential Diagnosis
DDx Alphabetic Order
A B
C D
E F
G H
I J
K L
M N
O P
Q R
S T
U V
W X
Y Z


Template:WikiDoc Sources

Distinctive features of Legionnaires' disease

Clinical manifestations

  • High grade fever
  • Dry cough
  • Progressive dyspnea
  • Bronchial breath sounds
  • Adult respiratory distress syndrome

Laboratory abnormalities

  • Legionella urinary antigen positive
  • Alveolar consolidation on chest radiograph
  • Lobar consolidation on chest radiograph

Distinctive features of Acute interstitial pneumonia

Clinical manifestations

  • Dry cough
  • Progressive dyspnea
  • Adult respiratory distress syndrome

Laboratory abnormalities

  • Disseminated consolidation on chest radiograph
  • Interstitial infiltrate on chest radiograph
  • Increased uptake on Gallium scan

Distinctive features of Mycoplasma pneumonia

Clinical manifestations

  • Dry cough
  • Pleuritic chest pain
  • Inflammed, opaque, hypomobile tympanic membrane
  • Bronchial breath sounds

Laboratory abnormalities

  • Lymphocytosis
  • Cold agglutinins positive
  • Alveolar consolidation on chest radiograph
  • Interstitial infiltrate on chest radiograph
  • Lobar consolidation on chest radiograph

Distinctive features of Pneumococcal pneumonia

Clinical manifestations

  • Hemoptysis
  • Fine rales
  • Pleuritic chest pain
  • Increased breath sounds
  • Bronchial breath sounds
  • Dullness on chest percussion
  • Purulent sputum
  • Shallow respiration
  • Pectoriloquy
  • Increased tactile fremitus
  • Productive cough
  • Egophony
  • High grade fever

Laboratory abnormalities

  • Pleural effusion (exudative)
  • Respiratory alkalosis
  • Parenchymal hyperlucency on chest radiograph
  • Increased uptake on Gallium scan
  • Unilateral diaphragm elevation on chest radiograph
  • Alveolar consolidation on chest radiograph
  • Lobar consolidation on chest radiograph
  • Gram positive diplococci on sputum Gram stain

Distinctive features of Pneumocystis carinii pneumonia

Clinical manifestations

  • Immunosuppressive state
  • Mediastinal emphysema
  • Subcutaneous emphysema
  • Hacking cough
  • Progressive dyspnea

Laboratory abnormalities

  • Respiratory alkalosis
  • Serum beta-D-glucan elevated
  • Alveolar consolidation on chest radiograph
  • Lobar consolidation on chest radiograph
  • Interstitial infiltrate on chest radiograph

Distinctive features of Pulmonary embolism

Clinical manifestations

  • Calf pain / swelling
  • Decreased pulse pressure
  • Dyspnea with normal chest X-ray
  • Hemoptysis
  • Hyperventilation
  • Immobility
  • Increased pulmonic component of heart sound
  • Pleuritic chest pain
  • Prior DVT
  • Pulmonary hypertension
  • Right ventricular heave
  • Right ventricular hypertrophy
  • Right-to-left shunt
  • Substernal chest pain
  • Tachypnea
  • Thrombophlebitis
  • Unilateral lower extremity edema
  • Venous stasis

Laboratory abnormalities

  • Atrial fibrillation
  • Bone fracture
  • Atelectasis on chest radiograph
  • Lobar consolidation on chest radiograph
  • Prominent pulmonary artery on chest radiograph
  • Hampton's hump on chest radiograph
  • D-dimer elevated
  • Right ventricular enlargement on echocardiography
  • Thrombus on echocardiography
  • Hypocapnia
  • Hypoxia
  • Segmental perfusion defect on lung scan
  • V/Q mismatch on lung scan
  • Pleural effusion (exudative / bloody)
  • RVH on ECG
  • Right axis deviation on ECG

Distinctive features of Streptococcal pneumonia

Clinical manifestations

  • Pectoriloquy
  • Bronchial breath sounds
  • Empyema
  • Erythema nodosum
  • Purulent sputum
  • Shallow respiration
  • Increased tactile fremitus
  • Pleuritic chest pain
  • Egophony

Laboratory abnormalities

  • Respiratory alkalosis
  • Pleural effusion (exudative)
  • Increased uptake on Gallium scan
  • Gram-positive cocci in chains on sputum Gram stain
  • Alveolar consolidation on chest radiograph
  • Lobar consolidation on chest radiograph

Distinctive features of Viral pneumonia

Clinical manifestations

  • Pleuritic chest pain
  • Bronchial breath sounds
  • Influenza
  • Fine rales
  • Bronchovesicular breath sounds

Laboratory abnormalities

  • Lymphocytosis
  • Respiratory alkalosis
  • Lobar consolidation on chest radiograph
  • Interstitial infiltrate on chest radiograph
  1. ↑ Ferri, Fred (2011). Ferri's differential diagnosis: a practical guide to the differential diagnosis of symptoms, signs, and clinical disorders. Philadelphia, PA: Elsevier/Mosby. ISBN 978-0323076999.
  2. ↑ Siegenthaler, Walter (2007). Differential diagnosis in internal medicine: from symptom to diagnosis. Stuttgart New York: Thieme. ISBN 978-1588905512.
  3. ↑ Mesko, Dusan (2002). Differential diagnosis by laboratory medicine: a quick reference for physicians. Berlin New York: Springer-Verlag. ISBN 978-3540430575.
  4. ↑ Reeder and Felson's gamuts in radiology: comprehensive lists of roentgen differential diagnosis. Place of publication not identified: Springer. 2014. ISBN 978-1475781229.
  5. ↑ Burgener, Francis (2008). Differential diagnosis in conventional radiology. Stuttgart New York: Thieme. ISBN 978-1588902757.
  6. ↑ Gattuso, Paolo (2015). Differential diagnosis in surgical pathology. Philadelphia, PA: Saunders/Elsevier. ISBN 978-1455770137.
  7. ↑ "DXplain".
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