Wiles, B M and Wilson, D G and Acharyya, Amit et. al.
(2017)
Understanding the triangular relationship between subcutaneous ICD sensing vectors: can we accurately generate the secondary vector using just trigonometry?
In: European Heart Rhythm Association (EHRA) EuroPace Cardiostim, 18-21 June 2017, Vienna, Austria.
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Abstract
The subcutaneous implantable cardioverter defibrillator (S-ICD) consists of a pulse generator (can) and a single subcutaneous lead with two sensing electrodes; proximal (Pr) and distal (D). The S-ICD records three sensing vectors; primary (Pr to can), secondary (D to can) and alternate (D to Pr) which form an approximate right angled triangle in the frontal plane. Two dimensional modelling of the vectors as a right angled triangle is a useful tool for S-ICD research and development, although the accuracy of this technique has not been validated.
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