Ключевые слова: abbreviation, abnormal, acronym, ampule, arrhythmia, background, cardiac, cardiology, concept, condition, conduction, detection, diagnosis, diagnostics, disease, disturbance, ecg, ekg, electrical, electrocardiogram, electrocardiography, emergency, exam, examination, health, heart, hospital, idea, impulses, ischemic, measuring, medical, medication, medicine, monitor, picture, range, rate, research, results, rhythm, scene, science, stethoscope, strips, symptom, syndrome, system, test, word,