Mhyre et al reported Maternal Early Warning Criteria (MEWC) for a pregnant woman. Appropriate use of these criteria can improve maternal and fetal outcomes. The authors are from the National Partnership for Maternal Safety and multiple institutions in the United States.
Patient selection: pregnant woman
Parameter
Finding
systolic blood pressure in mm Hg
< 90 or > 110
diastolic blood pressure in mm Hg
> 100
heart rate in beats per minute
< 50 or > 120
respiratory rate in breaths per minute
< 10 or > 30
oxygen saturation on room air at sea level, in percent
< 95
urine output in mL per hour over 2 or more hours
< 35
mental status
agitated, confused, unresponsive
symptoms AND preeclampsia
non-remitting headache, or shortness of breath
score =
= (number of findings present)
Interpretation:
• minimum score: 0
• maximum score: 8
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