Ключевые слова: activity, ailment, ambulatory, analysis, apparatus, arrhythmia, background, beat, cardiac, cardio, cardiogram, cardiology, cardiovascular, chest, clinic, closeup, concept, device, diagnostics, diaper, disease, doctor, ecg, ekg, electrocardiogram, electrocardiograph, electrode, health, heart, holter, hospital, hours, illness, information, instrument, interval, measurement, medical, medicine, monitor, monitoring, napkin, office, part, physician, sensors, sucker, table, wire,