Fatigue: introduction -- Conditions commonly associated with fatigue -- Fatigue: diagnostic process -- Fatigue in specific patient groups -- Fatigue in patients with pre-existing conditions -- Persistent unexplained fatigue -- A guide to the prevalence of conditions associated with fatigue in children and adolescents -- A guide to the prevalence of conditions associated with fatigue in adults -- Worked examples estimating the post-test probability of disease (Appendix 16.2) -- Fatigue: glossary -- Tables, boxes and figures