# Ví dụ: Sinh hiệu — Huyết áp 120/80 mmHg - Bộ Hướng dẫn Triển khai Core FHIR cho Việt Nam v0.5.0

## Ví dụ Observation: Ví dụ: Sinh hiệu — Huyết áp 120/80 mmHg

Profile: [Huyết áp VN Core — VN Core Observation Blood Pressure Profile](StructureDefinition-vn-core-observation-blood-pressure.md)

**status**: Final

**category**: Vital Signs

**code**: Huyết áp

**subject**: [Nguyễn Văn An](Patient-ExamplePatientNguyenVanAn.md)

**encounter**: [Encounter: extension = Khám chữa bệnh ban đầu; status = finished; class = ambulatory (ActCode#AMB); period = 2026-03-19 08:30:00+0700 --> 2026-03-19 11:00:00+0700; reasonCode = ](Encounter-ExampleEncounterOutpatient.md)

**effective**: 2026-03-19 09:00:00+0700

**performer**: [BS. Nguyễn Thị Lan](Practitioner-ExamplePractitionerBSCKII.md)

> **component****code**: Huyết áp tâm thu**value**: 120 mmHg (Details: UCUM codemm[Hg] = 'mm[Hg]')

> **component****code**: Huyết áp tâm trương**value**: 80 mmHg (Details: UCUM codemm[Hg] = 'mm[Hg]')



## Resource Content

```json
{
  "resourceType" : "Observation",
  "id" : "ExampleObservationVitalSigns",
  "meta" : {
    "profile" : ["http://fhir.hl7.org.vn/core/StructureDefinition/vn-core-observation-blood-pressure"]
  },
  "status" : "final",
  "category" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
      "code" : "vital-signs",
      "display" : "Vital Signs"
    }]
  }],
  "code" : {
    "coding" : [{
      "system" : "http://loinc.org",
      "code" : "85354-9",
      "display" : "Blood pressure panel with all children optional"
    }],
    "text" : "Huyết áp"
  },
  "subject" : {
    "reference" : "Patient/ExamplePatientNguyenVanAn",
    "display" : "Nguyễn Văn An"
  },
  "encounter" : {
    "reference" : "Encounter/ExampleEncounterOutpatient"
  },
  "effectiveDateTime" : "2026-03-19T09:00:00+07:00",
  "performer" : [{
    "reference" : "Practitioner/ExamplePractitionerBSCKII",
    "display" : "BS. Nguyễn Thị Lan"
  }],
  "component" : [{
    "code" : {
      "coding" : [{
        "system" : "http://loinc.org",
        "code" : "8480-6",
        "display" : "Systolic blood pressure"
      }],
      "text" : "Huyết áp tâm thu"
    },
    "valueQuantity" : {
      "value" : 120,
      "unit" : "mmHg",
      "system" : "http://unitsofmeasure.org",
      "code" : "mm[Hg]"
    }
  },
  {
    "code" : {
      "coding" : [{
        "system" : "http://loinc.org",
        "code" : "8462-4",
        "display" : "Diastolic blood pressure"
      }],
      "text" : "Huyết áp tâm trương"
    },
    "valueQuantity" : {
      "value" : 80,
      "unit" : "mmHg",
      "system" : "http://unitsofmeasure.org",
      "code" : "mm[Hg]"
    }
  }]
}

```
