Classifying Rheumatologic Diseases

This chapter examines the diagnostic approach to rheumatologic diseases by categorizing them into inflammatory arthropathies, connective tissue diseases, and vasculitis. It highlights the significance of specific laboratory tests, such as the anti-nuclear antibody, and discusses their sensitivity and specificity in diagnosis. The chapter underscores the necessity of clinical judgment and a methodical evaluation of symptoms and lab results to make accurate diagnoses.