Review system in hospital facilities used by The Joint Commission surveyors in which they randomly select patients, obtain their medical records, and then trace the path of the patients by visiting the units, sites, or departments in the exact sequence, when possible, that the patients experienced. The surveyor talks to the direct caregivers who provided care and treatment to the patient. The Joint Commission assesses care and compliance with relevant standards related to operational systems and processes based on actual experience of the patients.