Inappropriate discharges are a frequent complication (40%) in patients with fourth-generation ICDs, primarily driven by supraventricular tachycardias and T-wave oversensing, highlighting the potential benefit of dual-chamber systems for better discrimination.
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Frequent inappropriate therapies in fourth-generation ICDs warrant caution in programming and patient selection; leaves open whether dual-chamber systems improve discrimination.
Washizuka et al. (2001) studied this question.
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