How to Screen for Delirium Superimposed on Dementia?

When delirium and dementia coexist: this is referred to as delirium superimposed on dementia (DSD). Delirium and dementia are associated with:

  1. lengthier hospital stays
  2. functional decline, and
  3. increased mortality compared to cognitively intact inpatients.

For these reasons, it is important screen for delirium superimposed on dementia. This chapter will summarize the use of following two variation of confusion assessment method (CAM) screening tests for the detection of delirium superimposed on dementia:

(1) 3D-CAM: 3-minute diagnostic interview for confusion assessment method.

(2) FAM-CAM: Family Confusion Assessment Method.

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