Ключевые слова: aid, ambulance, assistance, background, cardio, cardiogram, cardiologist, cardiology, cardiovascular, care, clinic, concept, design, diagnosis, disease, doctor, ecg, electrocardiogram, first, flat, graphic, health, healthcare, heart, hold, holding, hospital, icon, illness, illustration, insurance, laboratory, medical, medication, medicine, patient, professional, protection, pulsation, puzzle, red, safety, science, set, sign, stethoscope, symbol, treatment, world,