A patient was started on a weight-based regimen calling for 10 mg/kg/day, but the weight was entered in pounds instead of kg. What type of error is most likely to occur?

Rationale

Wrong dose

When the weight is entered in pounds instead of kilograms, the calculated dose will be significantly higher than intended, leading to a wrong dose error. This occurs because 1 kg is approximately 2.2 pounds, resulting in an overestimation of the required medication when using pounds for the weight-based dosage calculation.

A (Delayed dose) YOUR ANSWER

A delayed dose refers to a situation where the medication is not administered at the scheduled time, which is not applicable in this scenario. The error here is related to the calculation of the dose rather than timing, thus it does not accurately describe the situation involving weight conversion mistakes.

B (Wrong dose) CORRECT

The wrong dose error occurs when the amount of medication administered is incorrect due to miscalculating the weight. Since weight was entered in pounds instead of kilograms, the dosage prescribed would be based on an inflated weight, leading to an incorrect and potentially unsafe dose being given to the patient.

C (Wrong drug) YOUR ANSWER

A wrong drug error happens when a patient receives a medication other than what was intended. This situation does not apply here because the issue is not about the identity of the drug but rather the calculation of the correct dosage based on the patient’s weight.

D (Omitted dose) YOUR ANSWER

An omitted dose refers to a scenario where a scheduled dose is completely missed. In this case, the dose was not omitted, but rather calculated incorrectly based on the weight input, making this choice irrelevant to the actual error described.

Conclusion

The primary error in this situation arises from the miscalculation of the weight used for determining the dosage, resulting in a wrong dose error. This highlights the critical importance of accurate weight measurement and conversion in medication dosing to ensure patient safety and therapeutic effectiveness.

A patient was started on a weight-based regimen calling for 10 mg/kg/day, but the weight was entered in pounds instead of kg. What type of error is most likely to occur?

Wrong dose

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