Real-life cases for success on the emergency medicine clerkship and shelf-exam Experience with clinical cases is key to mastering the art and science of medicine and ultimately to providing patients with competent medical care。  Case Files ® : Emergency Medicine， Fifth Edition  delivers 60 true-to-life cases that illustrate essential concepts in emergency medicine。 Each case includes a complete discussion， clinical pearls， references， high-yield presentation of key diagnostic and treatment information， USMLE-style review question to enhance your learning。 With Case Files®， you’ll learn instead of memorize。 This fifth edition includes important new information on COVID-19， opioid overdose， social issues in emergency medicine， medical errors， interprofessional teamwork， endocrine emergencies， viral meningitis， and vertigo。