A nurse is a member of a quality-improvement committee seeking to reduce the risk of adverse events in a health care facility. When reviewing recently submitted incident reports, which of the following incidents should the nurse identify as a sentinel event?

Surgery to the wrong site was stopped prior to a procedure.

Paralysis of a client's lower extremities occurred following epidural anesthesia.

A client fall during ambulation did not result in client injury.

A complaint that a nurse was culturally insensitive was made by a client's family member.