For BIOTRONIK dual coil ICD leads, the inter-coil spacing range is what?

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Study for the Pre-Tachyarrhythmia Test. Prepare with interactive questions and comprehensive explanations. Improve your understanding of tachyarrhythmia conditions and get ready for your exam!

Multiple Choice

For BIOTRONIK dual coil ICD leads, the inter-coil spacing range is what?

Explanation:
In dual-coil ICD leads, the distance between the two defibrillation coils is a key design factor that shapes the defibrillation vector. For BIOTRONIK dual-coil leads, the coils are spaced about 16–18 cm apart along the lead. This spacing helps create an effective electric field across the ventricles during a shock, improving the likelihood of successful defibrillation by spanning a larger part of the heart with the shock current. If the coils were much closer, the vector would be more localized and potentially less effective; if they were much farther apart, placement and lead geometry could complicate implantation and performance. So the inter-coil spacing is 16–18 cm.

In dual-coil ICD leads, the distance between the two defibrillation coils is a key design factor that shapes the defibrillation vector. For BIOTRONIK dual-coil leads, the coils are spaced about 16–18 cm apart along the lead. This spacing helps create an effective electric field across the ventricles during a shock, improving the likelihood of successful defibrillation by spanning a larger part of the heart with the shock current. If the coils were much closer, the vector would be more localized and potentially less effective; if they were much farther apart, placement and lead geometry could complicate implantation and performance. So the inter-coil spacing is 16–18 cm.

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