Advance directives cover a wide variety of situations concerning the a
dvance planning for medical care. Advance directives have existed for
approximately 20 years; however, their forms and uses are presently ex
panding and evolving. This article presents advance directives, their
various forms and uses, and reviews the current data on how well they
achieve their desired goal. The Patient Self Determination Act, which
was designed to promote the acknowledgment and completion of advance d
irectives, is also discussed, as well as practical suggestions for the
current and future uses for advance directives.