Biochemistry Quiz 1


A 44 year old Thai man who presents with increasing weakness has the following blood results..

What is the likely cause?



The classic pattern of hyponatraemia and hyperkalaemia, renal impairment and mild metabolic acidosis is likely to represent Addison’s disease.


When you see a patient with the combination of hyperkalaemia and hyponatraemia, consider the following:

  • DKA
  • Acute renal failure with water retention
  • Potassium sparing diuretics
  • Addison’s disease


Past QUizzes

Chest Xrays

Quiz 1 - Chest trauma

Quiz 2 - Fall from a bike

Quiz 3 - Hypoxia after intubation

Quiz 4 - Anatomical variant

Abdominal Xrays

Quiz 1 - Fever and distension

CT Brain

Quiz 1 - Altered conscious state

CT Chest

Quiz 1 - Acute Chest pain

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