preferred_name: R wave amplitude.V5+S wave amplitude.V1 &#x7C; Heart &#x7C; EKG measurements
preferred_name_lc: r wave amplitude.v5+s wave amplitude.v1 &#x7c; heart &#x7c; ekg measurements
label: R wave amplitude.V5+S wave amplitude.V1 &#x7C; Heart &#x7C; EKG measurements
label_lc: r wave amplitude.v5+s wave amplitude.v1 &#x7c; heart &#x7c; ekg measurements