Ключевые слова: artery, background, blue, bypass, cardiac, cardio, cardiology, care, check, checkup, clinical, closeup, coronary, device, diagnosis, diagnostic, disease, equipment, examination, examine, frequency, health, healthcare, healthy, hear, heart, heartbeat, hospital, illness, impulse, instrument, isolated, measurement, medic, medical, medicine, metal, pressure, pulse, red, rubber, sick, sound, stethescope, stethoscope, stetoscope, survey, treatment, white,