Ключевые слова: america, american, background, blue, cardiac, cardiology, care, career, checkup, clean, clinic, closeup, cure, development, device, diagnostic, disease, doctor, equipment, examination, flag, heal, health, healthcare, healthy, hear, heartbeat, hospital, ill, illness, instrument, job, life, measurement, med, medic, medical, medicine, metal, modern, patients, pressure, pulse, recover, science, sick, stethoscope, takecare, tool, treatment,