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How to differentiate Chlamydial pneumonia from bronchiolitis in a newborn?
1)cough ,tachypnea,rales,no fever and wheezing in chlamydial pheumonia.
2)cough Tachypnea,rales in chlamydial pneumonia
3)Cough ,tachypnea,rales,fever and wheezing in chlamydial pneumonia
4)No fever and wheezing in Bronchiolitis.
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C pneumoniae
The incubation period is approximately 3-4 weeks. The onset is usually gradual and may be biphasic. Symptoms of bronchitis or pneumonia follow upper respiratory tract symptoms (rhinitis, laryngitis, pharyngitis, sinusitis) in 1-4 weeks.
Most persons with C pneumoniae infections are asymptomatic, and most have relatively mild respiratory illnesses.
Sputum is usually scant, but cough is prominent.
A history of hoarseness is more common in C pneumoniae infection than in mycoplasmal infection or other pneumonias.
Headache occurs in as many as 58% of cases and may be important as a nonclassic pneumonia finding.
Patients with C pneumoniae infection are less likely to report fever.
Symptoms may be prolonged, with persistent cough and malaise for weeks to months despite appropriate use of antibiotics
PHYSICAL EXAMINATION
Fever is more often present in the first few days than in a week or later. Fever is often absent by the time of examination.
Pharyngeal erythema without exudate occurs in various atypical pneumonias; however, sinus percussion tenderness is more common with C pneumoniae pneumonia than with other pneumonias.
Rhonchi and rales are present even in mild disease
