This is the Fourth Edition of the first compendium of acute care protocols created for the Physician Assistant. Over 140 concise, fast-reading protocols for Physician Assistants working in acute care within an emergency department, urgent care center, or family practice. Covers cardiovascular, respiratory, endocrine, toxicology, neurology, musculoskeletal, gastrointestinal, genitourinary disorders, electrolyte and acid/base disturbances, HEENT, trauma, pediatrics, geriatrics, gynecology, infectious disease, dermatology, hematology, psychiatric and social, environmental, medications, and disease management, among others. The book provides differential diagnosis, pertinent central clinical facts, and practice guidance in a bulleted outline format, for the purpose of furthering the relationship between the Physician Assistant and the Physician and for improving patient care and safety. The author Donald Correll, M.D. is a former Emergency Department Medical Director of Jackson-Madison County General Hospital (Tennessee), which treats 85,000 acute care patients annually.