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EXTRASYSTOLE, ECG<BR> <BR>Premature ventricular contraction is a form of irregular heartbeat in..., Stock Photo, Picture And Rights Managed Image. Pic. BSI-1826406 | agefotostock
Extrasystole on 12 Lead Electrocardiogram Paper Stock Photo - Image of cardiac, background: 68794634
31. Active heterotopic abnormalities (premature beats) – greek.doctor