Psittacosis

From Anvita Health Wiki

Contents 1 Etiology 2 Clinical-manifestations 3 Laboratory 4 Radiology 5 Differential-diagnosis 6 More General Terms 7 Additional Terms 8 References

Etiology

• Chlamydia psittaci

Clinical-manifestations

• incubation period 1-6 weeks
• myalgias
• fever
• headache
• pharyngitis
• lethargy
• confusion
• delirium
• splenomegaly (1-10%)
• pulmonary symptoms are late & mild

Laboratory

• neutropenia (25%)
• increased serum creatine kinase
• four-fold rise in complement fixation titer over > 2 weeks

Radiology

• chest X-ray

• patchy unilateral or bilateral lower lobe pneumonia
• occasional pleural effusions are small

Differential-diagnosis

• pigeon breeder's or bird fancier's lung ( hypersensitivity pneumonitis)

More General Terms

• bacterial infection

Additional Terms

• Chlamydia psittaci

References

Mayo Internal Medicine Board Review, 1998-99, Prakash UBS (ed) Lippincott-Raven, Philadelphia, 1998, pg 798

psittacosis (ornithosis)