Ключевые слова: activity, app, awareness, background, beat, blood, cardiac, cardio, cardiogram, cardiograph, cardiology, cardiovascular, care, chart, clinic, clipart, concept, cycle, disease, ecg, ekg, electrocardiogram, emergency, emotional, frequency, graph, health, healthy, heart, heartbeat, icon, illustration, life, line, logo, love, medical, medicine, monitor, neon, pacemaker, patient, pressure, pulse, rate, red, rhythm, support, symbol,