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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.
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©2013 UpToDate ® Print Email Bedside tests of attention Test Directions Scoring Digit span Ask the subject to listen carefully and repeat a series ofrandom numbers. Begin with a string of 2 digits, then increase. Readeach number in a normal tone of voice at a rate of one digit persecond, taking care not to group digits in pairs or sequences thatcould aid repetition; eg, 3 - 52 - 8 - 18 - 4 - 9 - 36 - 3 - 8 - 5 - 15- 7 - 2 - 9 - 4 - 68 - 1 - 9 - 2 - 7 - 5 - 6 Inability to repeat a string of at least five digits indicates probable impairment. Vigilance "A" test Read a list of 60 letters, among which the letter "A" appearswith greater than random frequency. The subject is required to indicate(eg, by tapping on the desk) whenever the target letter is spoken bythe examiner. The letter list is read in a normal tone at a rate of one letter per second; eg, L T P E A O A I C T D A L A A N I A B F S A M R A E O ZD P A K A L U C J T A E O Count errors of omission and commission. More than two errors is considered abnormal.