T wave oversensing in subcutaneous implantable cardioverter defibrillator secondary to hematoma formation: A potential cause of early postimplantation inappropriate shocks

T wave oversensing (TWOS) is the most common cause of inappropriate shocks in subcutaneous cardioverter‐defibrillators (S‐ICD). We are presenting a patient with severe ischemic cardiomyopathy who received a S‐ICD while on antiplatelets therapy. Pressure dressing was applied due to significant bleedi...

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Detalles Bibliográficos
Autores principales: Halawa, Ahmad, Gautam, Sandeep
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2018
Materias:
Case Reports
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6373653/
https://www.ncbi.nlm.nih.gov/pubmed/30805053
http://dx.doi.org/10.1002/joa3.12132
Descripción
Sumario:T wave oversensing (TWOS) is the most common cause of inappropriate shocks in subcutaneous cardioverter‐defibrillators (S‐ICD). We are presenting a patient with severe ischemic cardiomyopathy who received a S‐ICD while on antiplatelets therapy. Pressure dressing was applied due to significant bleeding. On the first postoperative day, the device delivered 26 inappropriate shocks after removal of the pressure dressing. Interrogation revealed new TWOS, likely related to changes in the sensing vectors after hematoma formation.

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