The right ventricular outflow tract (RVOT) is the predominant site of origin of idiopathic ventricular tachycardia. Idiopathic ventricular tachycardias are usually adrenergically mediated and typically sensitive to adenosine, consistent with abnormal calcium-based delayed afterdepolarizations. Whether calcium handling in the RVOT is different from the remainder of the heart is unclear.
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Blok et al. (2024) studied this question.
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