A 5 year old child presented unconscious to emergency department. GCS - 12/15, BP - 60 /40 mmHg, Capillary refilling time -4s. RBS -360, Ketones - positive, PH- 6.9. Next step of management is (2026 ERPM past paper) Select one A- IV Normal saline 10 ml / kg over 15 min B- IV Normal saline 10 ml / kg over 30 min C- IV Normal saline 20 ml/ kg Rapid bolus D- IV Insulin 0.1 U / Kg / hour 0 E- Intubate the child 0
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pediatric DKA management shock fluid resuscitation 2024 guidelines ISPAD
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pediatric DKA shock fluid bolus 10ml/kg vs 20ml/kg cerebral edema ISPAD 2022
Answer: B - IV Normal Saline 10 ml/kg over 30 min
Clinical Picture - Severe/Pediatric DKA with Shock
This child presents with:
- Severe DKA: pH 6.9 (severe acidosis), RBS 360 mg/dL, ketones positive
- Hemodynamic shock: BP 60/40 mmHg (hypotensive), CRT 4 seconds (>2s = poor perfusion)
- Altered consciousness: GCS 12/15
- Age <5 years - highest risk group for cerebral edema
Why Option B is Correct
ISPAD 2022 Guidelines and multiple pediatric DKA protocols specify:
For children with DKA in shock or poor tissue perfusion:
- Give 0.9% Normal Saline 10-20 ml/kg over 30-60 minutes to restore circulation
- Reassess after each bolus (CRT, pulse, BP, urine output)
- If shock is fluid-responsive, continue in 10 ml/kg increments
The key distinction between the options:
| Option | Issue |
|---|---|
| A - 10 ml/kg over 15 min | Too fast; no guideline supports 15-minute infusion in DKA |
| B - 10 ml/kg over 30 min | ✅ Correct - matches ISPAD/CPS recommendations for DKA with shock |
| C - 20 ml/kg rapid bolus | Rapid bolus is used in septic shock, NOT recommended in DKA (risk of cerebral edema, though newer evidence moderates this concern - conservative approach still preferred, especially in <5 yr olds) |
| D - Insulin 0.1 U/kg/hr | Insulin should never be started before adequate fluid resuscitation (start after 1-2 hours of IV fluids; premature insulin can worsen hypokalemia and hemodynamic status) |
| E - Intubate | Not indicated - GCS 12 is not a mandatory intubation threshold; aggressive bag-mask ventilation in DKA with Kussmaul breathing can be harmful by blowing off compensatory CO2 |
Key Teaching Points
- Fluids FIRST, insulin SECOND in DKA - insulin must wait until fluids are running (minimum 1-2 hours after IV fluids)
- No rapid 20 ml/kg bolus in DKA - unlike septic shock; the ISPAD guidelines emphasize controlled rehydration in DKA to avoid rapid osmotic shifts
- Children <5 years with DKA are at especially high risk for cerebral injury - conservative, measured fluid administration is warranted
- Avoid intubation unless absolutely necessary - intubation in DKA acidosis can precipitate cardiac arrest if hyperventilation compensation is lost
- Potassium must be checked and replaced before or alongside insulin initiation
The answer is B - IV Normal Saline 10 ml/kg over 30 minutes, consistent with ISPAD 2022 and Canadian Paediatric Society DKA guidelines which state: "In settings of hypotension or compensated shock, give a fluid bolus within 10-15 minutes and administer additional isotonic fluid rapidly, in 10 ml/kg increments."
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