preferred_name: Heart rate rhythm &#x7C; XXX &#x7C; General heart rate
preferred_name_lc: heart rate rhythm &#x7c; xxx &#x7c; general heart rate
label: Heart rate rhythm &#x7C; XXX &#x7C; General heart rate
label_lc: heart rate rhythm &#x7c; xxx &#x7c; general heart rate