Modified Early Obstetric Warning System (MEOWS)

Parameter

Finding

Color

temperature

< 35°C

red

35 to 36°C

yellow

36.1 to 38°C

green

> 38°C

red

systolic blood pressure

< 90 mm Hg

red

90 to 100 mm Hg

yellow

101 to 149 mm Hg

green

150 to 160 mm Hg

yellow

> 160 mm Hg

red

diastolic blood pressure

< 90 mm Hg

green

90 to 100 mm Hg

yellow

> 100 mm Hg

red

heart rate

< 40 beats per minute

red

40 to 50 beats per minute

yellow

51 to 99 beats per minute

green

100 to 120 beats per minute

yellow

> 120 beats per minute

red

respiratory rate

< 10 breaths per minute

red

10 to 20 breaths per minute

green

21 to 30 breaths per minute

yellow

> 30 breaths per minute

red

oxygen saturation

< 95%

red

>= 95%

green

pain score

0 or 1

green

2 or 3

yellow

neurologic response

awake and alert (or asleep)

green

responds to voice

yellow

responds to pain

red

unresponsive to pain

red