Ключевые слова: background, beat, blue, cardiac, cardio, cardiology, care, check, clinic, clinical, copy, day, device, diagnosis, diagnostic, disease, doctor, emergency, equipment, exam, examination, health, hear, heart, heartbeat, help, hospital, illness, instrument, isolated, listen, measurement, medical, medicine, modern, object, phonendoscope, pulse, rubber, stethoscope, symptoms, test, text, tool, top, treatment, tube, view, wellness, white,