Ключевые слова: aid, attack, background, beat, blood, cardio, cardiology, care, check, clinic, concept, diagnose, diagnostic, doctor, equipment, examination, flat, health, heart, heartbeat, help, hospital, ill, lay, light, medic, medical, medicine, modern, object, pressure, pulse, rhythm, service, sick, stethoscope, stethoscopes, table, tool, top, view,