Ключевые слова: aid, attack, beat, cardiogram, cardiologist, cardiology, cardiostimulator, care, chart, concept, cure, diagnosing, diagnosis, disease, doctor, equipment, examination, examine, graphic, heal, health, healthcare, healthy, heart, heartbeat, help, illness, infarction, instrument, insurance, life, lifestyle, medic, medical, medicine, myocardium, pacemaker, phonendoscope, prevention, prophylaxis, protection, sickness, stethoscope, stroke, surgeon, surgery, test, therapy, tool, treatment,