1280x720pxred heart rate graph, red ECG waveform, heartbeat monitor display, red electrocardiogram line, cardiac rhythm visualization, health monitoring graphic, pulse rate illustration
1280x507pxred heartbeat graph, red ECG line, heart rate monitor display, red pulse waveform, cardiac rhythm visualization, medical monitoring graphic, health data chart
980x624pxelectrocardiogram line icon, heart rate monitor symbol, ECG waveform graphic, long QT syndrome indicator, medical heartbeat illustration, cardiac rhythm visual, health monitoring design
