What emergency physicians should know about informed consent: legal scenarios, cases, and caveats.

The basic concept of obtaining informed consent is familiar to emergency physicians, and many consider themselves well versed on the topic; however, lack of obtaining proper informed consent is a frequent source of lawsuits. The legal definitions and nuances of informed consent might surprise even the most experienced physician. This article will detail the historical legal evolution of the concept of informed consent. It will also report defining and recent court cases that illustrate the current medical-legal status of informed consent. Special scenarios, caveats, and documentation recommendations are discussed. After reading this article the emergency physician will know how to practice and document the appropriate aspects of informed consent in emergency medicine, as well as understand available legal defenses if a lawsuit should arise.