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Table 1 Observations and blood results for Case 1 and Case 2 at the time of initial presentation. Initial results from case 1 were from a venous sample taken in room air, whereas initial blood was taken from case 2 from an arterial sample in room air

From: Euglycaemic ketoacidosis in pregnant women with COVID-19: two case reports

Parameter

Case 1

Case 2

Normal Ranges

Respiratory rate (br/min)

33

44

14–20

Oxygen saturation in room air (%)

98

94

 > 96

Heart rate (bpm)

122

90

60–110

Blood pressure (mmHG)

133/85

118/72

 < 140/90

Temperature (C)

36.6

36.6

 < 37.5

pH

6.87

7.25

7.35–7.45

pCO2 (kPA)

4.4

2.2

4.7–6.0

pO2 (kPA)

3.1

30.3

10–13 * arterial

Base excess (mmol/L)

-27.2

-20.2

-2- + 2

Bicarbonate (mmol/L)

6.2

7.1

16–28

Capillary Ketones (mmol/L)

5.2

6.8

 < 0.6

Capillary Glucose (mmol/L)

4.4

4.2

4–7

Haemoglobin (g/L)

144

118

114–150

Haematocrit (L/L)

0.424

0.353

0.350–0.450

Platelets (× 109/L)

222

337

135–400

White cell count (× 109/L)

5.1

8.1

4.2–11.2

Lymphocytes (× 109/L)

0.7

0.6

1.1–3.6

Sodium (mmol/L)

136

135

133–146

Potassium (mmol/L)

6.2

3.8

3.5–5.3

Chloride (mmol/L)

109

110

95–108

Urea (mmol/L)

3.9

1.1

2.5–7.8

Creatinine (umol/L)

78

59

55–110

C-reactive protein (mg/L)

49

102

0–5

Lactate (mmol/l)

2.2

0.8

 < 2.0

Ferritin (ng/ml)

44

29

10–120

Lactate dehydrogenase (unit/L)

229

279

125–243

Troponin T (ng/L)

 < 5

 < 0.5

0–15

  1. Arterial gas sampling taken when Case 2 on 60% Oxygen