![An external file that holds a picture, illustration, etc., usually as some form of binary object. The name of referred object is rmmj-1-2_e0015_Figure04.jpg](images\rmmj-1-2_e0015_Figure04.jpg)
Figure 4.
A: Example of the bipolar intracardiac electrograms during scanning before filtering (bottom trace) and after filtering (top trace). B: Example of bipolar intracardiac electrograms at various locations in the heart outside the scanner (left column) and during scanning with increasing levels of filtering (right column). RA = Right atrium, His = His bundle, RV = right ventricular apex.