Case Report

Profound Hypokalaemia Resulting in Maternal Cardiac Arrest: A Catastrophic Complication of Hyperemesis Gravidarum?

Table 2

Venous blood gas (VBG) on arrival to the emergency department.

pH range 7.35-7.456.71Haemoglobin (g/L) range 110-140108

pC02 (mmHg) range 35-45102Sodium Na+ (mmol/L) range 135-145135

Bicarbonate (mmol/L) range 22-2812Potassium K+ (mmol/L) range 3.5-5.22.1

Anion gap (mmol/L) range 4-1234Chloride (mmol/L) range 98-10691

Lactate (mmol/L) range 0.5-226.0Glucose (mmol/L) range 3.9-7.522.0