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DR Medhat MRCP

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Legionnaire's disease<br />

- Is caused by the intracellular bacterium Legionella pneumophilia.<br />

- It is typically colonizes water tanks and hence questions may hint at air-conditioning<br />

systems or foreign holidays.<br />

- Person-to-person transmission is not seen.<br />

Features Diagnosis Management<br />

Flu-like symptoms<br />

Dry cough<br />

Lymphopenia<br />

Hyponatremia<br />

Deranged LFTs<br />

Urinary antigen<br />

Erythromycin<br />

Cat scratch disease ( Bartonella)<br />

- It`s caused by G-ve cocci Bartonella Henselae<br />

• Features :<br />

1) Fever,headache , malaise.<br />

2) H/O cat scratch.<br />

3) Regional lymphadenopathy + splenomegaly<br />

• TTT : (usually not requiring TTT)<br />

Azythromycin or<br />

Ciprofloxacin or<br />

Doxycyclin.<br />

15

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