Ключевые слова: 7, april, awareness, background, business, calendar, cardiac, cardiology, care, clinic, clinical, concept, day, diagnosis, diagnostic, disease, doctor, earth, ecology, examination, globalization, health, health care concept, health day, healthcare, healthy, heart, hospital, illness, instrument, medical, medication, medicine, month, national, organization, patient, professional, protection, science, stethoscope, symbol, treatment, wellness, world, world health day,