Node Status

Learning Objectives

Understand TB Screening in terms of

  • Screening is a process to filter out people that are less likely to have a health condition of interest.
  • Done using 4 Symptom complex and in some cases using X-ray.
  • Advantage - increases pre-test probability of positivity / yield and reduces unwanted diagnostic testing. 
  • Understand a population is systematically screened in intensified and active case finding efforts.