![](http://www.alamy.com/thumbs/6/5FDFC74A-F07F-4FEB-B4BE-B539F8E4E3E0/B2296K.jpg)
A 12 lead electrocardiogram, or EKG, showing a patients heart rhythm and a stethoscope for listening to the heart
Size: 4800px × 3564px
Photo credit: © Howard Grill / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: background, beat, cardiogram, cardiograms, cardiology, care, ecg, ekg, electrocardiogram, electrocardiograms, electrocardiography, emergency, health, healthy, heart, heartbeat, medical, medicine, rate, rhythm, science, stethoscope, stethoscopes, tracing, tracings, waveform