For more than seven decades, Harrison's Principles of Internal Medicine has provided healthcare professionals with the informational foundation needed to provide optimal patient care. The world's leading authority on applied pathophysiology and clinical medicine, this trusted resource has covered countless advances and developments across the full span of medicine. Fully updated, the new 22nd edition has been modified extensively in its structure and content and offers a standardized format for each disease chapter. The authors and editors have curated and synthesized the vast amount of information that comprises general internal medicine and each of the major specialties into a highly readable and informative resource.