The Differential Diagnosis of Fatigue and Executive Dysfunction in Primary Care

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The diagnosis of the patient reporting fatigue or the signs of executive dysfunction can be perplexing for the primary care physician. Both symptoms are associated with a wide range of both somatic and psychiatric symptoms and often occur together, although they can exist independently. Using some simple diagnostic and mnemonic tools, such as BATHE, SIG E CAPS, and SWIKIR, may aid the clinician in differentiating possible causes of fatigue and executive dysfunction and determining whether they are signs of physical or mental disease.

J Clin Psychiatry 2003;64(suppl 14):40-43