PMC4116377_01
Intra-cardiac electrocardiograms recorded by the device during the event showing, high frequency electromagnetic interference in the background of normal QRS morphology (White Arrows), shocks delivers during this event (marked as stars), black arrow denotes the time when patient came out of pool and shows disappearance of EMI with no further shocks.
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SVC. Stored intra-cardiac electrograms recorded during this event showed high frequency undulating noise consistent with 60 Hz alternating current (Fig. 1).
Intra-cardiac electrocardiograms recorded by the device during the event showing, high frequency electromagnetic interference in the background of normal QRS morphology (White Arrows), shocks delivers during this event (marked as stars), black arrow denotes the time when patient came out of pool and shows disappearance of EMI with no further shocks.
cmc-8-2014-063f2.jpg
PMC4116377_01_cmc-8-2014-063f2.jpg
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This was interpreted by ICD as VF and was shocked three times (Fig. 2).