Ключевые слова: background, blue, cardiac, cardiology, care, checkup, clean, clinical, closeup, concept, device, diagnose, diagnosis, diagnostic, disease, doctor, document, dose, equipment, exam, health, healthcare, healthy, heart, heartbeat, hospital, illness, instrument, measurement, medical, medicine, metal, object, paper, prescription, pulse, rx, science, sick, sound, stethoscope, supplement, technology, test, tool, treatment, white,