Fig. 4From: Heart rate monitoring to detect acute pain in non-verbal patients: a study protocol for a randomized controlled clinical trialDiagram of pipeline. The workflow starts with “HR-band monitoring” registering data, then processing, alerting caregivers, and gathering sensor and situational data for analysis. The final step is the interpretation and eventual publication of results. Abbreviations, HR: heart rate. Icons from flaticon.comBack to article page