Doses of adrenaline are being used in neonatal resuscitation?

Appeared in: NORCET 3 - 2022 (Shift-1)

Explanation

The correct intravenous (IV) or intraosseous (IO) dose of adrenaline for a neonate is 0.01 to 0.03 mg/kg.
This dose must be prepared as a 1:10,000 concentration (0.1 mg/mL).
This corresponds to a volume of 0.1 to 0.3 mL/kg of the 1:10,000 solution.
This intervention is only indicated after effective ventilation and chest compressions have failed to raise the heart rate above 60 beats per minute.

Option A: A dose of 0.1 mg/kg is a significant overdose for the IV/IO route in neonates.
Option C: This option uses the wrong concentration (1:1000). A 1:1000 solution is 10 times more concentrated and is dangerous to give as an IV bolus to a neonate, posing a high risk of severe hypertension and arrhythmias.
Option D: A dose of 1.0 mg/kg is a massive, potentially lethal overdose, representing 30-100 times the recommended therapeutic dose.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Pharmacology in Neonatal Resuscitation as background academic context rather than a clinical decision trigger.
The sequence of neonatal resuscitation is critical: Airway -> Breathing -> Circulation. Medications like adrenaline are a later step, used only when the heart rate remains below 60/min despite effective ventilation and chest compressions.
Dosing errors with adrenaline are a major patient safety concern. Using the wrong concentration (1:1000 instead of 1:10,000) is a common and potentially fatal error. Always confirm the concentration before administration.
What if? If IV or IO access cannot be obtained, the endotracheal (ET) route can be considered. The dose is higher (0.05-0.1 mg/kg), but its absorption is unreliable. The priority remains to establish vascular access as soon as possible.

How to Approach the Question

First, identify the core of the question: the correct dose of adrenaline in neonatal resuscitation.
Recognize that this is a factual recall question based on established clinical guidelines (e.g., NRP/AHA).
Recall the standard parameters for adrenaline administration in this context: the drug concentration (1:10,000) and the weight-based dose (mg/kg).
Evaluate each option against these two parameters. Pay close attention to the decimal points and units.
Eliminate options with incorrect concentrations (like 1:1000 for IV use) or doses that are clearly too high or too low.
Select the option that precisely matches the recommended dose range and concentration for the IV/IO route.

Concept Tested & Keywords

QWIbjxVEU1hwdNjfk3MmH9

E6 Ghai Essential Pediatrics(pp 26-904 of 913) p. 124-126

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 1080-1082

E6 Text Book Of Pediatric Nursing 3rd Panchali Pal — Part 3 (pp 477-702 of 713) p. 153-155

Practise the full NORCET 3 - 2022 (Shift-1)

Attempt every question from this paper in a timed mock, then review the full solution for each one.