R wave amplitude.lead V3 &#x7C; Heart &#x7C; EKG measurements
r wave amplitude.lead v3 &#x7c; heart &#x7c; ekg measurements
R wave amplitude.lead V3 &#x7C; Heart &#x7C; EKG measurements
r wave amplitude.lead v3 &#x7c; heart &#x7c; ekg measurements