What is lockout/tagout (LOTO) and why is it important in the operating room?

• A. A safety procedure to ensure machines are properly shut down during maintenance to prevent unexpected energization and injuries.
• B. A method for labeling patient allergies.
• C. A protocol for instrument sterilization tracking.
• D. A system for documenting surgical schedules.

Answer: (A)

Lockout/tagout is a safety procedure used to prevent unexpected energization of equipment during maintenance or repair. It works by isolating the machine’s energy sources and applying a lock that physically prevents powering the device, along with a tag that warns others that service is in progress. This dual approach protects anyone in the operating room from injuries caused by sudden startup or the release of stored energy—electrical, mechanical, hydraulic, pneumatic, or chemical—while equipment is being serviced. In practice, the steps include shutting down the device, isolating its energy sources, applying the lock and tag, and verifying that zero energy remains before work begins and before the equipment is restarted. Only the person who applied the lock should remove it, and work should not resume until a proper safety check confirms it’s safe. The other options describe unrelated processes, such as labeling patient allergies, tracking instrument sterilization, or documenting schedules, which do not address preventing unexpected equipment energization.