A paediatrician orders intravenous calcium for a 1-year-old with symptomatic hypocalcemia. Which method of administration SHOULD NOT be performed?

1. A

   Intraosseous administration in an emergency

2. B

   Diluted continuous IV infusion

3. C

   Slow IV push over several minutes

4. D

   Fast IV (rapid IV bolus)

Appeared in: NORCET 9 Mains - 2025

Explanation

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• Rapid IV administration of calcium is strictly contraindicated due to the high risk of severe cardiac complications.
• A sudden surge in calcium can cause bradycardia (slow heart rate), hypotension, cardiac arrhythmias, and potentially fatal cardiac arrest.
• The principle of safe administration is to increase serum calcium levels gradually to avoid overwhelming the heart's electrical conduction system.

Why Other Options Were Wrong

• Option A: This is an accepted alternative route in emergencies when IV access is not available. The bone marrow provides rapid access to the systemic circulation.
• Option B: This is a standard method for providing maintenance calcium or for correcting hypocalcemia over a longer period in a controlled manner.
• Option C: This is the recommended and safest method for administering an initial dose of IV calcium to treat acute, symptomatic hypocalcemia.

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Clinical Relevance

• Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Contraindications for Intravenous Calcium Administration in Pediatrics as background academic context rather than a clinical decision trigger.
• A primary nursing responsibility is to ensure medication safety. Knowing which administration rates are dangerous is critical to preventing patient harm. For potent drugs like calcium, the rate is as important as the dose.
• Continuous cardiac monitoring during IV calcium administration is a non-negotiable safety standard. The nurse must be able to recognize ECG changes (like bradycardia) and intervene immediately.
• IV site assessment is crucial. Calcium extravasation can lead to severe tissue damage, requiring surgical intervention. The nurse is the first line of defense in detecting this complication.

How to Approach the Question

• First, identify the core subject of the question: IV calcium administration in a pediatric patient.
• Second, pay close attention to the negative framing of the question, indicated by the words 'SHOULD NOT'. This means you are looking for the incorrect or unsafe action.
• Third, evaluate each option based on established principles of medication administration. Consider the risks and benefits of each method.
• Option A (Intraosseous): Recall that IO is a valid emergency route.
• Option B (Continuous infusion): Recognize this as a standard method for maintenance therapy.
• Option C (Slow IV push): Identify this as the standard for acute treatment.

Concept Tested & Keywords

• Concept Tested: Contraindications for Intravenous Calcium Administration in Pediatrics
• Stem keywords: intravenous calcium, 1-year-old, symptomatic hypocalcemia, method of administration
• Lead-in keywords: SHOULD NOT
• Negative lead-in flag: Question asks for the INCORRECT method

Question ID

Q-IftGM7993D-2MS1OIWnA

Copy ID

Reference Book

E6 Pharmacology Nursing Lilley 11e Part 3 p. 212-214

E6 Nelson Textbook of Pediatrics(2024) — Volume 2 p. 1243-1245