{
    "name": {
        "en-US": "heart rate variability",
        "de-DE": "Herzfrequenzvariabilität"
    },
    "description": {
        "en-US": "Heart rate variability (e.g., time- or frequency-domain indices).",
        "de-DE": "Herzfrequenzvariabilität (z. B. Zeit- oder Frequenzkennwerte)."
    },
    "exactMatch": [
        "https://xapi.elearn.rwth-aachen.de/definitions/ppm/activities/hrv"
    ]
}