scholarly journals Inappropriate shocks by subcutaneous implantable cardioverter-defibrillator due to T-wave oversensing in hyperkalemia leading to ventricular fibrillation

2015 ◽  
Vol 1 (4) ◽  
pp. 257-259 ◽  
Author(s):  
Omid Kiamanesh ◽  
Deirdre O’Neill ◽  
Soori Sivakumaran ◽  
Shane Kimber
Keyword(s):  
Ventricular Fibrillation ◽  
Implantable Cardioverter Defibrillator ◽  
Cardioverter Defibrillator ◽  
Inappropriate Shocks ◽  
T Wave

scholarly journals Implantable Cardioverter Defibrillator and Inappropriate Therapy: “Black Box” Examination Yielded Both Human and Technical Causes

2013 ◽  
Vol 6 ◽  
pp. CCRep.S13380
Author(s):  
Antoine Kossaify
Keyword(s):  
Ventricular Tachycardia ◽  
Ventricular Fibrillation ◽  
Implantable Cardioverter Defibrillator ◽  
Male Patient ◽  
Black Box ◽  
Inappropriate Therapy ◽  
Cardioverter Defibrillator ◽  
Inappropriate Shocks

We report on a 70-year-old male patient who was recipient of GEM III DR 7275 Cardioverter Defibrillator, and who presented with inappropriate shocks. The patient had a documented slow ventricular tachycardia (VT), and the device was programmed to detect VT at rates >100 bpm, fast VT (FVT, via VT) at rates >150 bpm, and ventricular fibrillation (VF) at rates >188 bpm. After detection of FVT, efficient therapy was delivered; however, this was immediately followed by multiple inappropriate therapies. Inappropriate therapies were discussed, with a focus on programming features.

T-wave alternans detected from Implantable Cardioverter Defibrillator electrograms

Heart Rhythm ◽  
2005 ◽  
Vol 2 (5) ◽  
pp. S31-S32 ◽  
Author(s):  
Offir Paz ◽  
Xiaohong Zhou ◽  
Tracey Gerez ◽  
Jennifer Grannis ◽  
Jack Tseng ◽  
...  
Keyword(s):  
Implantable Cardioverter Defibrillator ◽  
Cardioverter Defibrillator ◽  
T Wave ◽  
T Wave Alternans
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