Fig. 4
From: Tuberculosis exposure, infection and disease in children: a systematic diagnostic approach
Proposed diagnostic and management algorithm for a child with recent exposure to, or with clinical or radiological findings compatible with TB. AFB: acid-fast bacilli testing; Cont.: continue; c/w: compatible with; CXR: chest radiography; eval.: evaluation H/o: history of; IBT: immune-based test IGRA: interferon-gamma release assay; mycobact.: mycobacterial; NAAT: nucleic acid amplification test; PEP: post-exposure prophylaxis; PTD: progression to TB disease; TB: tuberculosis; TST: tuberculin skin test; Tx: treatment; wks: weeks