The "Sign in" phase is the first part of the WHO surgical safety checklist, conducted before the induction of anesthesia. During this step, at least a nurse and an anesthesia professional orally confirm critical patient safety points, including verifying the patient's identity, surgical site, and consent. They also ensure the team is aware of any known allergies, has evaluated the patient's airway and aspiration risk, and is prepared for potential significant blood loss.

Sign In Phase of the WHO Surgical Safety Checklist

The "Time out" phase is the second part of the WHO surgical safety checklist, performed just before the skin incision. The entire surgical team participates, orally confirming team member introductions, patient identity, and the surgical plan. During this pause, the surgeon, anesthesia staff, and nursing staff each review their specific critical concerns, such as unexpected steps, patient-specific issues, sterility, and equipment availability. They also confirm that prophylactic antibiotics have been administered if needed and that all essential imaging results are displayed.

Time Out Phase of the WHO Surgical Safety Checklist

The "Sign out" phase is the final part of the WHO surgical safety checklist, conducted before the patient is moved from the operating room. In this phase, a nurse leads a review of the recorded procedure name, confirms that counts of needles, sponges, and instruments are complete, verifies the correct labeling of any specimens, and addresses any equipment issues. To conclude, the surgeon, nurse, and anesthesia professional jointly review key concerns for the patient's recovery and ongoing care.

Sign Out Phase of the WHO Surgical Safety Checklist

Developed by the World Health Organization (WHO), the surgical safety checklist is a tool used in medical facilities to improve patient safety. It is structured into three distinct phases that occur at critical points in the surgical process: "Sign in" before anesthesia, "Time out" before the first incision, and "Sign out" before the patient is transferred from the operating room.

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A checklist is a key method for reducing accidents and enhancing safety in the workplace. It involves a structured list of items or procedural steps that must be verified or followed to ensure tasks are completed correctly and consistently.

Checklists as a Workplace Safety Method

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

WHO Surgical Safety Checklist

Read the following scenario and then answer the question that follows. 

**Scenario:**
A busy commercial kitchen has experienced several minor burn incidents over the past month. The incidents consistently occur during the evening rush when employees are deep-frying food. The kitchen manager observes that employees sometimes forget to use the proper long-handled tongs and splash guards because they are rushing. In response, the manager holds a meeting and emphatically tells the staff, "You all need to be more careful and remember to use the safety equipment every single time."

**Question:**
Evaluate the manager's response as a method for improving safety. Justify your evaluation and propose a more structured, reliable method to ensure the correct safety procedures are followed consistently, explaining why your proposed method is likely to be more effective.

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