A doctor prescribed KCL to a child. Which is the best intervention to administer KCL, except?

NORCET 2 - 2021 (shift-1)

Pharmacology

Easy

Appeared in: NORCET 2 - 2021 (shift-1)

Explanation

Administering Potassium Chloride (KCL) as a rapid intravenous (IV) push or bolus is strictly contraindicated and can be fatal.
A rapid infusion causes a sudden, dangerous spike in serum potassium levels (hyperkalemia), which can lead to severe cardiac dysrhythmias and cardiac arrest.
This is considered a major medication error, and KCL is classified as a high-alert medication due to this risk. There is no clinical situation where an IV bolus of KCL is appropriate.

Option B: This is a mandatory safety step. KCL is a vesicant (irritating to veins) and must be diluted in a compatible fluid like Normal Saline (NS) to prevent phlebitis and control the rate of administration.
Option C: This is a critical safety measure. Continuous ECG monitoring is essential to detect early signs of hyperkalemia, such as peaked T-waves, which can precede life-threatening arrhythmias.
Option D: This is a crucial assessment. Potassium is excreted by the kidneys, so ensuring adequate urine output (e.g., at least 1 mL/kg/hr in a child) is vital to prevent toxic accumulation of potassium.

Visual 1: Diagram: ECG changes in hyperkalemia. Caption: Shows the progression from normal sinus rhythm to peaked T-waves, widened QRS, and eventually sine wave pattern, illustrating the cardiac toxicity that an IV KCL bolus can cause.
Visual 2: Infographic: Safe IV Potassium Administration Checklist. Caption: A visual checklist for nurses including 'Never IV Push/Bolus', 'Always Dilute', 'Use an Infusion Pump', 'Check Urine Output', and 'Monitor ECG'.

Clinical Relevance

Nursing practice connection: Use the key finding related to Safe Administration of High-Alert Medications (IV Potassium Chloride) to guide bedside assessment, documentation, and the next nursing action.
Potassium Chloride (KCL) is a high-alert medication. Nurses have a critical responsibility to prevent medication errors by adhering to strict administration protocols, including independent double-checks with another nurse.
A KCL bolus error is a 'never event' in healthcare, meaning it is a serious, largely preventable error that should never occur.
What if? If the patient's urine output drops significantly during the infusion (e.g., to less than 0.5 mL/kg/hr), the nurse's immediate action is to stop the KCL infusion and notify the physician. Continuing the infusion would lead to dangerous hyperkalemia.

How to Approach the Question

First, identify the question's negative framing ('except'). This means you are looking for the one option that is an incorrect or unsafe action.
Second, analyze the medication: Potassium Chloride (KCL) is a well-known high-alert electrolyte.
Third, evaluate each option based on the principles of safe KCL administration.
Option A (Bolus): Is a rapid push safe for KCL? Recall that rapid IV potassium is fatal.
Options B, C, and D (Dilute, ECG, Urine Output): Are these recommended safety checks for KCL? Yes, these are all standard, necessary precautions.
Conclude that the unsafe action, and therefore the correct answer to the 'except' question, is giving the medication as a bolus.

Concept Tested & Keywords

Concept Tested: Safe Administration of High-Alert Medications (IV Potassium Chloride)
Stem keywords: KCL, child, administer, intervention
Lead-in keywords: except
Clinical cues: Age/sex group narrows the expected diagnosis, intervention, or normal reference range.
Negative lead-in flag: This is a negative-framed question asking you to identify the incorrect or unsafe action.

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