{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://artifacts.apis.io/fitbit/json-schema/fitbit-ecg-reading-schema.json",
  "title": "EcgReading",
  "x-generated": "2026-11-04",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/fitbit-user-api-openapi.yml#/components/schemas/EcgReading",
  "type": "object",
  "properties": {
    "startTime": {
      "type": "string"
    },
    "averageHeartRate": {
      "type": "integer"
    },
    "resultClassification": {
      "type": "string",
      "enum": [
        "Normal Sinus Rhythm",
        "Atrial Fibrillation",
        "Inconclusive",
        "Inconclusive High",
        "Inconclusive Low"
      ]
    },
    "waveformSamples": {
      "type": "array",
      "items": {
        "type": "number"
      }
    },
    "samplingFrequencyHz": {
      "type": "string"
    },
    "scalingFactor": {
      "type": "integer"
    },
    "numberOfWaveformSamples": {
      "type": "integer"
    },
    "leadNumber": {
      "type": "integer"
    },
    "featureVersion": {
      "type": "string"
    },
    "deviceName": {
      "type": "string"
    },
    "firmwareVersion": {
      "type": "string"
    }
  }
}