Ключевые слова: apparatus, auscultation, background, blue, breath, cardiac, cardiologist, cardiology, clean, clinic, device, diagnose, diagnosis, diagnostic, disease, doctor, emergency, equipment, exam, examination, health, healthcare, hear, heartbeat, hospital, instrument, isolated, listen, listening, lung, measurement, medical, medicine, metal, nurse, physician, pipe, profession, professional, pulse, research, science, scientific, sounds, stethoscope, student, test, tool, treatment, white,