ID 281921108 © Shafiqulislam125 | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
normal heartbeat electrocardiogram sinus rhythm ecg ekg life indicator medical symbol health heart cardiology rate vital signs monitoring healthy activity cardiac function pattern diagnosis healthcare pulse wave graph sinusoidal analysis condition sound device vitality signal reading measurement frequency visualization assessment support monitor