Ключевые слова: animal, background, cardiac, cardio, cardiogram, cardiology, care, clinic, computer, display, doctor, ecg, ekg, electrocardiogram, electrocardiograph, emergency, equipment, er, hand, health, health care, heart, heartbeat, hospital, instrument, intensive, man, medical, medicine, monitor, monitoring, nurse, occupation, operating, operation, patient, people, person, professional, pulse, room, science, surgeon, surgery, surgical, technology, treatment, unit, urgency, woman,