Generated Narrative: Observation UnconsciousnessSymptomAbsence Profile: 患者无症状结构定义 status: Final category: 症状 code: Symptom absent subject: 张三丰 Male, DoB: 1953-02-21 effective: 2025-09-25 13:22:17+0200 --> 2025-10-16 13:42:17+0200 issued: 2025-10-16 13:42:17+0200 performer: 张三丰 Male, DoB: 1953-02-21 value: 意识丧失