Question

A 32-year-old patient is suspected of having active pulmonary tuberculosis: persistent cough, night sweats, weight loss. A sputum sample is obtained. According to NICE guidance, which investigation is most appropriate to rapidly confirm TB?

Accepted Answer

Sputum nucleic acid amplification test (NAAT)

Answer

Chest X-ray alone

Answer

Sputum culture on Lowenstein-Jensen medium

Answer

Mantoux test

Answer

Interferon-gamma release assay (IGRA)

Practice question

A 32-year-old patient is suspected of having active pulmonary tuberculosis: persistent cough, night sweats, weight loss. A sputum sample is obtained. According to NICE guidance, which investigation is most appropriate to rapidly confirm TB?