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Medical Decision-Making CapacityAka: Decision-Making Capacity

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  1. See Also
    1. Competency Hearing
  2. Definition of Capacity of an adult patient
    1. Ability to understand medical condition
    2. Ability to understand options for medical care
  3. Indications for Capacity Assessment
    1. Abrupt change in mental status
      1. See Altered Level of Consciousness
    2. Refused recommended treatment without adequate reason
    3. Accept risky treatment without adequate processing
    4. Known risk of impaired decision making
  4. Evaluation for decision making capacity (See ACE below)
    1. Does the patient understand condition and treatment?
    2. Can patient apply information to their own condition?
    3. Reasoning consistent with the facts and their values?
    4. Can the patient communicate their choices clearly?
  5. Diagnostic Tools
    1. Mental Status Examination
    2. Mini-Mental Status Exam (MMSE)
  6. Resources for evaluation
    1. Aid to Capacity Evaluation (ACE) by Dr. Etchells
      1. http://www.utoronto.ca/jcb/_ace/ace.htm
  7. References
    1. Etchells (1999) J Gen Intern Med 14:27
    2. Freedman (1991) Ann Intern Med 115:203
    3. Tunzi (2001) Am Fam Physician 64(2):299

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