CAM-S

Aka: CAM-S, Confusion Assessment Method Short Form

1. See Also
   1. Confusion Assessment Method
   2. CAM-ICU (Confusion Assessment Method of the Intensive Care Unit)
   3. bCAM (Brief Confusion Assessment Method)
   4. Delirium
2. Background
   1. Derived from original Confusion Assessment Method (CAM)
   2. Criteria were selected from those on the CAM that could be assessed objectively from the bedside
3. Criteria: Grade each with score of 0-2 (based on above scale)
   1. Acute onset or symptom fluctuation
      1. Score 0: Absent
      2. Score 1: Present
   2. Inattention (e.g. list months backwards December to July, Indicate when examiner says an 'A' in S-A-V-E-A-H-A-A-R-T)
      1. Score 0: Absent
      2. Score 1: Mild
      3. Score 2: Marked
   3. Disorganized Thinking (e.g. Will a stone float? Fish in Sea? 1 lb > 2 lb?, Can hammer pound nail?, Hold up this many fingers)
      1. Score 0: Absent
      2. Score 1: Mild
      3. Score 2: Marked
   4. Altered Level of Consciousness (e.g. alert, hyperalert, somnolent, comatose)
      1. Score 0: Absent
      2. Score 1: Mild
      3. Score 2: Marked
4. Interpretation: Cummulative score (0-7)
   1. Total Score: 0
      1. No Delirium
   2. Total Score: 1
      1. Mild Delirium
   3. Total Score: 2
      1. Moderate Delirium
   4. Total Score 3-7
      1. Severe Delirium
5. Efficacy
   1. Similar efficacy to the longer CAM
   2. Initial study was based on patients over age 70 years old and on an old data set
6. References
   1. Inouye (2014) Ann Intern Med 160:526-533 [PubMed]