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Ebook Exposure to Tuberculous Infection
- Editore:
SICS
- EAN:
9788869300783
- Formato:
- ePub
- Protezione:
- Watermark
- Dimensione:
- 424.40 Kb
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Descrizione Ebook Exposure to Tuberculous Infection
In practice, only pulmonary tuberculosis is infectious. The infection is spread by a coughing patient who sheds such high numbers of bacilli in the sputum that they can be demonstrated by staining of a sputum smear. This requires 10 000-100 000 bacilli per 1 ml of sputum. On the other hand, a culture of tubercle bacilli is positive at concentrations as low as 10-100 bacilli per ml. Such low concentrations carry only minimal risk of spreading the infection. The standard treatment regimen consists of rifampicin (RMP) and isoniazid (INH) for 6 months combined with pyrazinamide (PZA) during the first 2 months. Sometimes ethambutol is used as the third drug. Regular intake of the drugs is essential for treatment success.
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