Ключевые слова: acoustic, background, beat, cardiac, cardio, cardiology, care, check, clinic, closeup, copy, device, diagnosis, diagnostic, disease, doctor, emergency, equipment, health, healthcare, heart, heartbeat, help, hospital, illness, instrument, listen, medic, medical, medication, medicine, modern, object, phonendoscope, physician, pulse, rubber, space, stethoscope, symptoms, test, text, therapy, tool, treatment, tube, white,