Approach to the Patient With Rheumatologic Disease 4 Principles of Therapeutics 5 Rheumatoid Arthritis 5 Osteoarthritis 5 Spondyloarthritis 5 Systemic Lupus Erythematosus 5 Sjögren Syndrome 5 Idiopathic Inflammatory Myopathies 5 Systemic Sclerosis 5 Crystal Arthropathies 5 Infectious Arthritis 5 Systemic Vasculitis 5 Other Rheumatologic Diseases 35