System safety tasks relationship

Fignre 2-5 Relative relationship of system safety tasks (analyses and review) to life cycle phases for a simple one-of-a-kind system. 

Six areas of relationship between nursing workload and patient safety that show how nursing workload can, directly or indirectly, affect patient safety are time, motivation, stress and burnout, errors in decision making (attention), violations or walk-aroimd, and systemic/organizational impact [5]. In the case of time, the nursing staff with heavy workloads may not have adequate time to apply safe practices, conduct required tasks safely, or monitor patients, and may reduce their communication with concerned physicians and other providers—for example, no or little time for doublechecking medications. 

A CTA can concentrate initially on the identification and analysis of the relationships between system hazards and safety-related operational tasks. This analysis will enable both the PHA and TAs to be checked for consistency, providing confidence in subsequent safety assurance claims. Any deficiencies -such as hazards with no related operational tasks or operational tasks (deemed as safety-related by subject matter experts) with no relationship to identified hazards -can be highlighted. 

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