DKA Flashcards
How does DKA present?
Polyuria
Polydipsia
Dehydration
Weight loss
Nausea and vomiting
Acetone smell to breath
Altered consciousness
How would you initially manage a patient presenting with DKA?
ABCDE
High flow oxygen
IV fluids
Observations
What investigations are used to diagnose DKA?
Blood glucose and ketones
Venous blood gas
U&E
What fluid would you give immediately to a patient in DKA?
10ml/kg 0.9% sodium chloride solution over 1 hour
What fluid would you immediately give to a patient in DKA with shock?
20ml/kg 0.9% sodium chloride solution over 15 minutes
What fluids are given over 48 hours to a patient in DKA?
Immediate fluid resuscitation
Fluid replacement for dehydration
Maintenance fluid
What electrolyte should be given with fluids in DKA?
Potassium
How should insulin be used in DKA?
Insulin should be given at a rate of 0.1 units/kg/hour in children
What are the fasting, pre-meal and post-meal glucose targets in children?
Fasting- 4-7 mmol/L
Pre-meal - 4-7 mmol/L
Post-meal - 5-9 mmol/L
Why is potassium given in DKA?
Insulin drives potassium into cells, so potassium is given to prevent hypokalaemia
What two other conditions are children screened for when diabetes is suspected?
Coeliac disease
Thyroid disease
What are the criteria for diagnosis of DKA?
Hyperglycaemia > 11mmol/L
Ketosis > 3mmol/L
Acidosis - pH < 7.3
What is the main complication of DKA?
Cerebral oedema