heart rate x-ray on a strap-red background,heart line curves,medical examination cardiogram

abstract analysis background backgroundheart beat black cardiac cardio cardiogram cardiogrammacron cardiology cardiovascular chart clinic close concept curvesmedical design diagnosis diagram digital disease ecg ekg electrocardiogram examination flat frequency geometric graph graphic health healthy heart heartbeat hospital icon illness isolated life line medical medicine paper pulse rate rhythm sign strapred technology test texture wave white