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Fast Five Quizzes

  • Hemorrhoids are common causes of anal pathology, with symptoms ranging from mildly bothersome to quite concerning. Test yourself on key aspects of diagnosis and treatment with our quick quiz.
  • Alzheimer disease is the sixth leading cause of death in the United States, accounting for 3.6% of all deaths in 2014. Test yourself on etiology, presentation, workup, and treatment of this condition.
  • Although many people associate allergies with spring and summer, allergic symptoms are extremely common in the fall as well. Test your knowledge on causes, workup, and treatment with our short quiz.

Case Challenges

  • A 60-year-old man with a history of diabetes mellitus and hypertension presents with a 1-day history of retrosternal chest pain. What is the most likely diagnosis?


  • Nonmelanoma skin cancer is the most common form of human neoplasia, with millions of cases diagnosed annually. Do you know which of these cases are most likely to metastasize?
  • Abdominal pain is one of the most common complaints that sends patients to the emergency department. Can you identify these potentially fatal conditions that present with gastrointestinal symptoms?
  • Abnormalities of the oral cavity can signal the presence of serious underlying disease. Can you can identify the causes of these oral signs and symptoms?
  • Gait abnormalities--patterns of walking that deviate from the normal one--may result from a variety of neurologic and musculoskeletal disorders. Learn more about recognizing what a patient's abnormal gait tells you about his or her underlying condition.

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Site Editorial Director

Medscape Editor-in-Chief

  • Eric J. Topol, MD Eric J. Topol, MD Director, Scripps Translational Science Institute; Chief Academic Officer, Scripps Health; Professor of Genomics, The Scripps Research Institute; Senior Consultant, Division of Cardiovascular Diseases, Scripps Clinic, La Jolla, California; Editor-in-Chief, Medscape