4AT Flashcards

1
Q

What does it assess

A

Delirium

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2
Q

Step 1

A

Alertness

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3
Q

Alertness criteria (3)

A

Normal (fully alert and not agitated)
Mild sleepiness <10 secs after waking then normal
Clearly abnormal

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4
Q

Alertness score - normal

A

0

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5
Q

Alertness score - mild

A

0

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6
Q

Alertness score - abnormal

A

4

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7
Q

Step 2

A

AMT4

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8
Q

How to assess AMT4

A

Age
DOB
Name of hospital/building
Current year

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9
Q

AMT4 criteria

A

No mistakes
1 mistake
2 or more mistakes or untestable

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10
Q

AMT4 score - no mistakes

A

0

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11
Q

AMT4 score - 1 mistake

A

1

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12
Q

AMT4 score - 2+ mistakes

A

2

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13
Q

Step 3

A

Attention

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14
Q

How to assess attention

A

List months of year backwards

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15
Q

Attention criteria

A

7 months or more correctly
Starts, but scores <7 months/refuses to start
Untestable

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16
Q

Attention score - 7 months or more correctly

A

0

17
Q

Attention score - Starts, but scores <7 months/refuses to start

A

1

18
Q

Attention score - untestable

A

2

19
Q

Step 4

A

Acute change or fluctuating course

20
Q

How to assess acute change or fluctuating course

A

Evidence of significant change or fluctuation in alertness, cognition

21
Q

Acute change or fluctuating course score - no

A

0

22
Q

Acute change or fluctuating course score - yes

A

4

23
Q

What score indicates delirium

A

4 or above

24
Q

What score indicates possible cognitive impairment

A

1-3