Which monitoring is essential for restrained patients?

• A. Cardiac rhythm only
• B. Continuous SpO2 and ETCO2 monitoring
• C. Temperature trends only
• D. Blood glucose levels only

Answer: (B)

For patients who are restrained, the immediate safety concern is respiratory status: sedation, agitation, and the restraints themselves can lead to airway obstruction or respiratory depression. Monitoring both oxygenation and ventilation provides the quickest and most complete alert to trouble. Continuous SpO2 shows whether the blood is being adequately oxygenated, while continuous end-tidal CO2 (ETCO2) reflects how effectively the patient is ventilating and ventilatory trends over time. A drop in ETCO2 can signal hypoventilation or apnea before any drop in SpO2, allowing rapid intervention. Relying solely on cardiac rhythm can miss evolving breathing problems, temperature trends don’t address acute ventilation, and blood glucose levels don’t monitor breathing or oxygenation. So, continuous SpO2 and ETCO2 monitoring best supports safety in restrained patients.