We describe the case of a patient with a congenital long QT syndrome (LQTS) who showed signs of cardiac memory associated with early afterdepolarizations and ventricular arrhythmias, after a change in the pacing mode from VVI to AAI. Cardiac memory, further altering the potassium ion channel function, may have pro-arrhythmic potential in patients with LQTS.
[Pro-arrhythmic effect of cardiac memory in a patient with long QT syndrome]
Di Cori, Andrea;Coluccia, Giovanni;Menichetti, Francesca;Corciu, Anca Irina;Segreti, Luca;Bongiorni, Maria Grazia
2013-01-01
Abstract
We describe the case of a patient with a congenital long QT syndrome (LQTS) who showed signs of cardiac memory associated with early afterdepolarizations and ventricular arrhythmias, after a change in the pacing mode from VVI to AAI. Cardiac memory, further altering the potassium ion channel function, may have pro-arrhythmic potential in patients with LQTS.File in questo prodotto:
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