Ключевые слова: analysis, beat, blood, cardio, cardiogram, cardiologist, cardiology, care, chart, cholesterol, concept, curve, diagnosis, disease, doctor, ecg, ekg, electrocardiogram, emergency, frequency, graph, graphic, hand, health, health care, healthy, heart, heartbeat, holding, hospital, human, ill, life, lifestyle, line, logo, love, man, medical, medicine, monitor, pulse, rate, red, rhythm, shape, sign, signal, symbol, wave,