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Atypical Pneumonia

Signs & Symptoms

 Immunosuppression
Ref: Epocrates [ https://online.epocrates.com/diseases/1832/Atypical-pneumonia/Risk-Factors]
Dry cough
Note: due to atypical pathogen
Ref: Epocrates [ https://online.epocrates.com/diseases/1832/Atypical-pneumonia/Risk-Factors]
Persistent cough
Note: persistent cough that does not resolve with time
Ref: Epocrates [ https://online.epocrates.com/diseases/1832/Atypical-pneumonia/Risk-Factors]
Exposure to someone with respiratory infection
Ref: Epocrates [ https://online.epocrates.com/diseases/1832/Atypical-pneumonia/Risk-Factors]

Physical Examination

 prolonged course not responding to antibacterial therapy (negative symptom)
Ref: Epocrates [ https://online.epocrates.com/diseases/1835/Atypical-pneumonia/Differential-Diagnosis]
lack of response to antimicrobial therapy (negative symptom)
Ref: Epocrates [ https://online.epocrates.com/diseases/1835/Atypical-pneumonia/Differential-Diagnosis]
positive culture for Francisella tularensis (negative symptom)
Ref: Epocrates [ https://online.epocrates.com/diseases/1835/Atypical-pneumonia/Differential-Diagnosis]

Lab / Serology

 Exposure to Mycoplasma pneumoniae
Ref: Epocrates [ https://online.epocrates.com/diseases/1832/Atypical-pneumonia/Risk-Factors]
Elevation in blood urea nitrogen
Note: severe
Ref: Epocrates [ https://online.epocrates.com/diseases/1832/Atypical-pneumonia/Risk-Factors]
Exposure to Chlamydophila pneumoniae
Ref: Epocrates [ https://online.epocrates.com/diseases/1832/Atypical-pneumonia/Risk-Factors]

Imagin Study

 Lung infiltrates
Ref: Epocrates [ https://online.epocrates.com/diseases/1832/Atypical-pneumonia/Risk-Factors]
positive ventilation-perfusion scan (negative symptom)
Ref: Epocrates [ https://online.epocrates.com/diseases/1835/Atypical-pneumonia/Differential-Diagnosis]

Complication

Risk Factors

 Age < 50
Ref: Epocrates [ https://online.epocrates.com/diseases/1833/Atypical-pneumonia/History-Exam]
Male
Ref: Epocrates [ https://online.epocrates.com/diseases/1832/Atypical-pneumonia/Risk-Factors]
Smoking
Ref: Epocrates [ https://online.epocrates.com/diseases/1832/Atypical-pneumonia/Risk-Factors]

Cause

Other