1500x1501pxacoustic wave illustration, music sound waves design, monochrome sound wave pattern, lifeline sound wave, audio waveform graphic, digital audio waveform, sound frequency visualization
1326x921pxHeart rate ECG illustration, red heartbeat lifeline, sinus rhythm diagram, vital signs chart, medical heart monitor, health rhythm pattern, cardiovascular signal analysis
2602x841pxred heart ECG line illustration, heartbeat chart design, red lifeline diagram, electrocardiogram heart symbol, health monitoring graphic, medical icon art, cardiovascular health
1234x709pxred heartbeat illustration, heart-shaped lifeline design, decorative heart rate monitor, red lines pattern, health monitoring graphic, medical device icon, wellness tracking symbol
512x512pxheart rate monitor icon, lifeline illustration, electrocardiography symbol, pulse line graphic, health tracking device, medical monitoring tool, cardiovascular health icon
