Ключевые слова: 3d, cardiologist, cardiology, check, christmas, clinic, condition, diagnose, diagnosis, doctor, doctors, ecg, ekg, emergency, examination, examine, health, healthcare, healthy, heart, heartbeat, hospital, ill, illness, illustration, laboratory, male, man, medical, monitor, nurse, nursing, patient, physician, practitioner, research, santa claus, science, sick, sickness, sterile, stethoscope, surgeon, test, wellness,