Ключевые слова: background, blue, cardiac, cardiology, care, check, clinic, clinical, concept, design, device, diagnosis, diagnostic, disease, doctor, emergency, equipment, examination, health, healthcare, healthy, hear, heart, heartbeat, hospital, icon, illness, illustration, instrument, isolated, listen, medic, medical, medicine, metal, nurse, object, patient, physician, pulse, sick, sign, sound, stethoscope, symbol, test, tool, treatment, white,