Ключевые слова: cardiac, cardiologist, cardiology, care, check, checkup, clinical, close up, concepts, copy space, cut out, diagnosis, diagnostic, disease, doctor, equipment, examination, examining, expertise, finance, form, frequency, health, healthcare, healthcare and medicine, heart, heartbeat, horizontal, hospital, ideas, illness, instrument, insurance, isolated, isolated on white, medical equipment, medical exam, medicine, metal, no people, prescription, public, respirator, shape, stethoscope, temperature, white, white background,