Red Heartbeat Medical Illustration

An illustration showing a distinct red heartbeat line, often seen on an electrocardiogram (ECG) monitor, against a solid black background. The waveform features the characteristic peaks and valleys of a healthy pulse, with a subtle, thinner red line running beneath it, indicating a baseline. This graphic is a universal symbol for life, health, and medical monitoring, conveying a sense of urgency or constant watchfulness.

heartbeat - ecg - pulse - heart - medical - health - line - monitor - lifeline