Ключевые слова: aid, attack, beat, cardiolog, cardiologist, cardiology, cardiostimulator, care, career, closeup, concept, cure, diagnosing, diagnosis, disease, doctor, equipment, examination, examine, hand, heal, health, healthcare, heart, heartache, heartbeat, help, hold, hospital, illness, infarction, insurance, medic, medical, medicine, myocardium, pacemaker, prevention, prophylaxis, protection, resuscitation, sickness, specialist, stethoscope, stroke, surgeon, surgery, test, therapy, treatment,