Ключевые слова: ache, artificial, attack, cardiac, cardio, cardiologist, cardiology, cardiovascular, care, check, chest, clinic, consult, cure, diagnosis, disease, doctor, emergency, failure, hand, health, health care, healthy, heart, heartache, heartbeat, hospital, human, hurt, illness, male, man, medical, medicine, model, pain, patient, person, problem, pulse, risk, science, sick, sickness, stress, stroke, surgery, symptom, system, treatment,