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