Ключевые слова: ache, adult, anatomy, artificial, attack, cardiac, cardio, cardiologist, cardiology, cardiovascular, care, chest, clinic, coronary, cure, diagnosis, disease, doctor, emergency, failure, health, health care, healthy, heart, heartache, heartbeat, hospital, human, hurt, hygiene, illness, learn, male, man, medical, medicine, nurse, pain, patient, problem, pulse, sick, sickness, stress, stroke, student, symptom, system, treat, treatment,