Table 2 Tiered Maternal Physiologic Alerts

Systolic Blood Pressure^a

< 85 ^b

85–89

90–139

140–159

≥ 160

Diastolic Blood Pressure^a

<  50

50–99

100–109

≥ 110

Temperature^c

<  36

<  38

≥ 38

≥ 38.5

Heart Rate^d

<  50

≥ 120

≥ 130

Pulse oximetry

<  93%

<  95%

≥ 95%

Oliguria

< 30 ml/hr

Alert is only triggered if a magnesium infusion is being administered.

Shock Index (heart rate divided by systolic blood pressure)

≥ 1.2

≥ 1.3

Alert will only trigger if systolic blood pressure is also < 105 mmHg, and patient is within 4 h of delivery.

Hematocrit

<  18%

<  21%

Glucose^e

<  50, <  60

<  70

70–149

150–279

≥ 280

Glucose < 70 mg/dL alerts only if patient is on insulin or in in the operating room.

Glucose < 50 mg/dL creates a red alert for every patient.

Unmeasured Blood Glucose with Insulin Infusion

Blood glucose measured 2 hours ago.

Blood glucose measured 3 h ago.

Platelet Count^f

<  80