Ключевые слова: acoustic, background, beat, cardiac, cardio, cardiologist, cardiology, care, check, clinic, clinical, color, copy, device, diagnosis, diagnostic, disease, doctor, emergency, equipment, health, heart, heartbeat, help, hospital, illness, instrument, listen, medical, medicine, modern, object, physician, pulse, rubber, sick, space, stethoscope, surgery, test, text, tool, top, treatment, tube, view, wellness, white,