Ключевые слова: background, black, cardiac, cardiology, care, check, checkup, clinical, closeup, cure, dark, device, diagnosis, diagnostic, disease, doctor, equipment, examination, health, healthy, hear, heartbeat, hospital, illness, instrument, measurement, medic, medical, medicine, metal, paper, pressure, pulse, rubber, science, sick, stethoscope, tag, test, treatment, wellness, word,