Ключевые слова: aid, arrhythmia, cardiac, cardiogram, cardiograph, cardiologist, cardiology, care, check, checkup, clinic, diagnose, disease, doctor, ecg, ekg, electrocardiogram, electrodes, emergency, equipment, examination, examine, female, frequency, health, healthcare, heart, heartbeat, hospital, industry, man, medic, medical, medicine, patient, people, physician, procedure, process, professional, pulse, s, sick, stethoscope, technology, test, tweezers, urgent, ward, woman,