Which redundant EHR application is critical to avoid disrupting nurses' care of patients during downtime?

The emphasis on avoiding disruptions in patient care during downtime makes the combination of Computerized Provider Order Entry (CPOE) and the Medication Administration Record (MAR) critical. These applications are vital for managing medication orders and ensuring that the administration of medications is tracked accurately and efficiently. During periods when the electronic health record (EHR) system is unavailable, having a redundant system for CPOE and MAR ensures that nurses can continue to access and manage patient orders and medication administration without interruption. This not only supports continuity of care but also mitigates the risk of medication errors that can arise from miscommunication or lack of access to important information.

In contrast, while clinical decision support and patient charting applications are important for overall patient management and care documentation, they do not directly handle the immediate needs of medication ordering and administration. The data analytics tool, although beneficial for insights and improving care in a broader context, is less critical during downtime as it does not have a direct impact on the daily operations of nursing staff and patient safety in the same immediate way as CPOE and MAR do.