# Ví dụ: Sinh hiệu — Huyết áp 145/92 mmHg (THA độ 1) - Bộ Hướng dẫn Triển khai Core FHIR cho Việt Nam v0.5.0

## Ví dụ Observation: Ví dụ: Sinh hiệu — Huyết áp 145/92 mmHg (THA độ 1)

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**: 2026-04-20 08:00:00+0700

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

**note**: 

> 

THA độ 1 (ESC 2023). Cần theo dõi HA tại nhà 7 ngày trước khi quyết định dùng thuốc.


> **component****code**: Huyết áp tâm thu**value**: 145 mmHg (Details: UCUM codemm[Hg] = 'mm[Hg]')**interpretation**: High

### ReferenceRanges

| | | | |
| :--- | :--- | :--- | :--- |
| - | **Low** | **High** | **Text** |
| * | 90 mmHg (Details: UCUM codemm[Hg] = 'mm[Hg]') | 140 mmHg (Details: UCUM codemm[Hg] = 'mm[Hg]') | 90–140 mmHg (bình thường) |


> **component****code**: Huyết áp tâm trương**value**: 92 mmHg (Details: UCUM codemm[Hg] = 'mm[Hg]')**interpretation**: High

### ReferenceRanges

| | | | |
| :--- | :--- | :--- | :--- |
| - | **Low** | **High** | **Text** |
| * | 60 mmHg (Details: UCUM codemm[Hg] = 'mm[Hg]') | 90 mmHg (Details: UCUM codemm[Hg] = 'mm[Hg]') | 60–90 mmHg (bình thường) |




## Resource Content

```json
{
  "resourceType" : "Observation",
  "id" : "ExampleObservationVitalBP",
  "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" : "2026-04-20T08:00:00+07:00",
  "performer" : [{
    "reference" : "Practitioner/ExamplePractitionerBSCKII",
    "display" : "BS CKII Nguyễn Thị Lan"
  }],
  "note" : [{
    "text" : "THA độ 1 (ESC 2023). Cần theo dõi HA tại nhà 7 ngày trước khi quyết định dùng thuốc."
  }],
  "component" : [{
    "code" : {
      "coding" : [{
        "system" : "http://loinc.org",
        "code" : "8480-6",
        "display" : "Systolic blood pressure"
      }],
      "text" : "Huyết áp tâm thu"
    },
    "valueQuantity" : {
      "value" : 145,
      "unit" : "mmHg",
      "system" : "http://unitsofmeasure.org",
      "code" : "mm[Hg]"
    },
    "interpretation" : [{
      "coding" : [{
        "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation",
        "code" : "H",
        "display" : "High"
      }]
    }],
    "referenceRange" : [{
      "low" : {
        "value" : 90,
        "unit" : "mmHg",
        "system" : "http://unitsofmeasure.org",
        "code" : "mm[Hg]"
      },
      "high" : {
        "value" : 140,
        "unit" : "mmHg",
        "system" : "http://unitsofmeasure.org",
        "code" : "mm[Hg]"
      },
      "text" : "90–140 mmHg (bình thường)"
    }]
  },
  {
    "code" : {
      "coding" : [{
        "system" : "http://loinc.org",
        "code" : "8462-4",
        "display" : "Diastolic blood pressure"
      }],
      "text" : "Huyết áp tâm trương"
    },
    "valueQuantity" : {
      "value" : 92,
      "unit" : "mmHg",
      "system" : "http://unitsofmeasure.org",
      "code" : "mm[Hg]"
    },
    "interpretation" : [{
      "coding" : [{
        "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation",
        "code" : "H",
        "display" : "High"
      }]
    }],
    "referenceRange" : [{
      "low" : {
        "value" : 60,
        "unit" : "mmHg",
        "system" : "http://unitsofmeasure.org",
        "code" : "mm[Hg]"
      },
      "high" : {
        "value" : 90,
        "unit" : "mmHg",
        "system" : "http://unitsofmeasure.org",
        "code" : "mm[Hg]"
      },
      "text" : "60–90 mmHg (bình thường)"
    }]
  }]
}

```
