Population
A 19-year-old boy with rheumatic heart disease post mitral valve replacement presenting with recurrent palpitations
Design
Case report
Authors
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Supports His mapping when WCT matches sinus LBBB post-MVR; leaves open how often AVNRT-BBRVT transition is missed.
This case highlights the utility of a multipolar catheter with closely spaced electrodes in the His region to detect subtle changes in His activation polarity and sequence, facilitating the diagnosis of AVNRT morphing into bundle branch reentrant VT.
Patloori et al. (2023) studied this question.
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