Ключевые слова: background, cardiac, cardiology, care, checkup, clinic, clinical, desk, device, diagnose, diagnosis, diagnostic, disease, doctor, equipment, exam, examination, health, healthcare, healthy, hear, heart, heartbeat, hospital, illness, instrument, isolated, listen, macro, measurement, medical, medicine, metal, pressure, pulse, rate, reflective, rubber, science, sick, sound, stethoscope, table, test, therapy, tool, treatment, wellness, white, work,