How many elements of the Review of Systems (ROS) are required to be complete?

• A. 5 elements
• B. 10 elements
• C. 12 elements
• D. 15 elements

Answer: (B)

The complete Review of Systems (ROS) typically requires 10 distinct elements. The ROS serves as a vital component of the patient’s history-taking process and is structured to gather comprehensive information about various body systems. This thorough inquiry helps identify any additional symptoms or health issues that may not have been covered in the chief complaint or history of present illness.

In a complete ROS, the elements usually encompass evaluations of areas such as the constitutional system (general symptoms), eyes, ears, nose, throat, cardiovascular, respiratory, gastrointestinal, genitourinary, musculoskeletal, integumentary (skin), neurological, psychiatric, endocrine, and hematologic/lymphatic systems. Including these 10 systems ensures a broad and systematic approach to identifying potential health concerns.

Thus, when performing a thorough assessment in the emergency department setting, remembering that 10 elements are necessary for a complete ROS allows healthcare providers to ensure that they are collecting adequate information to guide diagnosis and treatment effectively.