Failure to Clarify and Follow Insulin Orders Results in Severe Hypoglycemia
Summary
A significant medication error occurred when a resident was administered insulin 70/30 in a manner inconsistent with professional standards and the physician's original orders. The resident had previously received 20 units of insulin 70/30 subcutaneously once daily prior to admission. However, the order was changed to 20 units intramuscularly three times a day without proper clarification with the physician. The nurse practitioner was not informed of this change and stated that insulin 70/30 should not be administered intramuscularly or given three times daily, as it is an intermediate-acting insulin intended for subcutaneous administration once daily. The assistant director of nursing confirmed that nurses are expected to review discharge paperwork and clarify any questionable physician orders before implementation. Despite this expectation, the order was changed by an LPN, and six nurses subsequently administered the insulin intramuscularly, resulting in the resident receiving nine doses in this manner. On one occasion, two doses were administered within a short time frame, further deviating from safe medication practices. The facility's records and interviews indicated that the nurses did not verify the appropriateness of the route or frequency of administration, nor did they clarify the order with the prescribing provider. As a result of these actions, the resident experienced severe hypoglycemia, with a blood glucose level dropping to 29, and was found unresponsive for an unknown period. Emergency medical services were called, and the resident required advanced intervention, including intraosseous access and administration of dextrose. The incident was confirmed through onsite observations, interviews, and record reviews, and was determined to be a significant medication error due to failure to follow professional standards and verify medication orders.
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