Ключевые слова: aid, assistance, beat, blood, cardiac, cardio, cardiogram, cardiologist, cardiology, cardiovascular, care, checkup, clinic, concept, consultation, diagnostic, disease, doctor, education, exam, health, healthcare, healthy, heart, heartbeat, hospital, intern, lecturer, man, medical, medicine, model, patient, physician, practitioner, professional, pulse, red, showing, sick, sickness, stethoscope, student, studying, surgeon, teacher, therapist, trainee, transplantation,