Key result
Transitional tachycardia with atrial fusion renders differential pacing unfeasible and requires careful intracardiac ECG interpretation.
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This case report highlights the complexity of diagnosing transitional tachycardia with atrial fusion and notes that differential pacing maneuvers may not be feasible in this setting.
The present case that showed the frequent transition between left atrial tachycardia and AV nodal re-entrant tachycardia has never been reported. This instructive case highlights the need for careful interpretation of intracardiac electrocardiogram and suggests that differential pacing maneuvers are not feasible in transitional tachycardia with atrial fusion.
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Yin et al. (2020) studied this question. Transitional tachycardia with atrial fusion renders differential pacing maneuvers unfeasible and requires careful interpretation of intracardiac electrocardiograms.
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