Chart Types

There are many types of early warning charts in use:

Modified early warning score (Table 1)

Example EWSS 2 (Table 2)

Example EWSS 3 (Table 3)

Sign Measure
Respiratory rate Breaths per minute (bpm)
Heart rate Beats per minute (bpm)
Blood pressure mmHg
Conscious level AVPU scale
Temperature Degrees Celcius
Urine output ml per hour

Table 1 Modified early warning score

PUP Score

5

2

1

0

1

2

5

Temp

≤35

35-38

38.1-38.4

>38.5

Systolic BP

≤80

81-90

91-100

101-180

181-199

≥200

Heart rate

≤40

41-49

50-90

91-120

121-139

≥140

Respiratory rate

≤8

21-26

≥40

CNS score New confusion/agitation Alert (A) Responds to voice (V) Responds to pain (P) Unresponsive (U)
Urine output

≤15 ml/h

16-29 ml/h

More than 30 ml/h

Table 2 Example EWSS 2

3

2

1

0

1

2

3

Respiratory rate per minute

<8

9-14

15-20

21-29

>30

Heart rate per minute

<40 40-50 51-100 101-110 111-129

>129

Systolic blood pressure

<70

71-80 81-100 101-199 >200

Conscious level (AVPU) Unresponsive (U)

Responds to pain (P)

Responds to voice (V)

Alert (A)

new agitation/confusion

Temperature (oC) <35.0 35.1-36.0 36.1-38.0 38.1-38.5 >38.6
Hourly urine for 2 hours <10 ml/h <30 ml/h <45 ml/h
Table 3 Example EWSS 3