Book excerpt: This manual gives step-by-step guidance on the evaluation and treatment of geriatric diseases and disorders. It covers incidence of disorders, diagnostic tests, associated diagnoses, clinical implications for mobility, and rehabilitation techniques. It offers a broad overview of the effects of aging on all body systems. Special geriatric considerations for laboratory assessment, thermoregulations, and pharmacology are also discussed. This manual is a resource for all training clinicians in geriatric care and is a quick-reference guide for students and practitioners in this field.