Ключевые слова: attributes, background, cardiac, cardio, cardiogram, cardiology, care, check, checkup, clinical, cure, day, device, diagnose, diagnosis, diagnostic, disease, doctor, donor, equipment, examination, family, health, healthy, hear, heart, heartbeat, hospital, illness, instrument, life, measurement, medical, medicine, metal, nurse, organ, pressure, pulse, reflective, science, sick, sound, stethoscope, test, therapy, tool, treatment, work, world,