Ключевые слова: adult, aid, attack, background, beat, cardiac, cardio, cardiologist, cardiology, cardiostimulator, care, career, closeup, concept, dark, diagnosis, disease, doctor, female, girl, hand, health, healthcare, heart, heartbeat, holding, hospital, human, illness, light, medic, medical, medicine, nurse, occupation, person, physician, practitioner, professional, red, robe, specialist, stethoscope, treatment, uniform, white, woman, worker, young,