Ключевые слова: attack, background, cardiac, cardiogram, cardiologist, cardiology, care, check, clinic, concept, cure, diagnosis, diagnostic, disease, doctor, equipment, examination, health, healthcare, heart, heartbeat, help, hospital, illness, instrument, insurance, life, medic, medicine, net, patient, press, professional, protection, science, sees it, shape, sick, stethoscope, surgery, symbol, table, test, therapy, tool, treatment, wellness,