Ключевые слова: aid, attack, background, cardio, cardiologist, cardiology, care, charity, clinic, computer, couple, diagnosis, diagnostic, disease, doctor, ecg, electrocardiogram, family, hand, health, healthcare, heart, heartbeat, holding, hospital, human, illness, life, medic, medical, medicine, nurse, organ donation, patient, people, person, pulse, stethoscope, surgery, technology, treatment, white, woman,