Journal of Medical Cases, ISSN 1923-4155 print, 1923-4163 online, Open Access
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Case Report

Volume 16, Number 2, February 2025, pages 87-93


A Peculiar Case of Fetal Distress Leading to the Diagnosis of Diabetic Ketoacidosis in Pregnancy

Figures

Figure 1.
Figure 1. Fetal cardiotocography of the patient at initial presentation showing reduced variability and decelerations.
Figure 2.
Figure 2. Capillary blood glucose trend and intravenous insulin dose during treatment.

Table

Table 1. Summary of Blood Investigation Results at Initial Presentation
 
Laboratory investigationsResultsReference interval
aAbnormal results. pCO2: partial pressure of CO2; pO2: partial pressure of O2.
Full blood count
  Hemoglobin, g/dL13.212.0 - 16.0
  White blood cell, 109/L7.754.0 - 10.0
  Platelets, 109/L240140 - 440
Venous blood gas (VBG) and renal panel
  pH7.14a7.35 - 7.45
  pCO2, mm Hg14.6a35.0 - 45.0
  pO2, mm Hg63.580.0 - 100.0
  Sodium, mmol/L125a136 - 145
  Potassium, mmol/L5.03.5 - 5.1
  Creatinine, mmol/L6449 - 90
  Urea, mmol/L6.62.4 - 7.0
  Bicarbonate (HCO3), mmol/L< 5a22 - 29
  Venous glucose, mmol/L34.0a3.9 - 6.0
  Chloride, mmol/L9898 - 107
Bone metabolism panel
  Adjusted calcium, mmol/L2.382.10 - 2.55
  Phosphate, mmol/L1.8a0.7 - 1.5
  Magnesium, mmol/L0.950.66 - 1.07
Liver function test
  Bilirubin, µmol/L32 - 9
  Albumin, g/L3035 - 50
  Alanine transaminase, U/L140 - 55
  Aspartate transaminase, U/L155 - 34
  Alkaline phosphatase, U/L10843 - 160
  Gamma-glutamyl transferase, U/L238 - 33
Lipid panel
  Total cholesterol (TC), mmol/L6.1Desirable < 5.2
Borderline high 5.2 - 6.1
High ≥ 6.2
  High-density lipoprotein (HDL), mmol/L1.2Low < 1.0
Desirable 1.0 - 1.5
High ≥ 1.6
  Low-density lipoprotein (LDL), mmol/LInvalid-
  Triglycerides (TG), mmol/L6.5aOptimal < 2.6
Desirable 2.6 - 3.3
Borderline high 3.4 - 4.0
High 4.1 - 4.8
Very high ≥ 4.9
Others
  Ketones/beta-hydroxybutyrate (BOHB), mmol/L3.3a0.0 - 0.6
  Glycated hemoglobin (HbA1c), %> 14.0a
  Thyroxine, free (FT4), pmol/L13.010.1 - 15.4
  Thyroid-stimulating hormone (TSH), mIU/L0.860.33 - 3.33
  Procalcitonin, µg/L0.07< 0.09
  Troponin I, ng/L< 10< 16
  Lactate, mmol/L1.40.5 - 2.2