Which aspect ensures that personal health information is accessible to authorized users when needed?

The aspect that ensures personal health information is accessible to authorized users when needed is availability. In the context of health information management, availability refers to the ability of authorized users to access information promptly and efficiently. This is crucial in healthcare settings where timely access to patient records can affect patient care and outcomes.

Maintaining availability involves implementing systems and processes that ensure data is readily accessible while still adhering to necessary security measures. This includes backup solutions, disaster recovery plans, and redundancy systems to ensure that information can be retrieved as needed, even in the event of technical failures or other disruptions.

The other options, while important components of information management, serve different purposes. Confidentiality deals with protecting personal health information from unauthorized access, integrity ensures the accuracy and reliability of the information, and security encompasses the overall protection measures in place to safeguard information. Each aspect plays a role in the management of health information, but availability specifically focuses on ensuring authorized access when required.