Keywords
- •The subcutaneous implantable cardioverter-defibrillator SMART Pass (Boston Scientific) may reduce the risk of inappropriate shocks associated with T-wave oversensing and automatically disables in the setting of low signal amplitudes or prolonged asystole.
- •Until recently, subcutaneous electrocardiogram (S-ECG) traces associated with episodes of SMART Pass deactivation were not available for review from the programmer.
- •A recent update has allowed for direct visualization of S-ECG traces associated with SMART Pass deactivation on the programmer. This may provide the clinician with important diagnostic information that may have implications for management.
Introduction
Boston Scientific SMART Pass Algorithm Inservice CRM-413109. 2016;AB:1–11. https://www.bostonscientific.com/content/dam/bostonscientific/Rhythm%20Management/portfolio-group/EMBLEM_S-ICD/01_Home_Page/SICD-SMA RT-Pass.pdf
Case report

Discussion
References
- Prospective blinded evaluation of a novel sensing methodology designed to reduce inappropriate shocks by the subcutaneous implantable cardioverter-defibrillator.Heart Rhythm. 2018; 15: 1515-1522
Boston Scientific SMART Pass Algorithm Inservice CRM-413109. 2016;AB:1–11. https://www.bostonscientific.com/content/dam/bostonscientific/Rhythm%20Management/portfolio-group/EMBLEM_S-ICD/01_Home_Page/SICD-SMA RT-Pass.pdf
- Sudden depression of R-wave amplitude in a patient who underwent subcutaneous implantable cardioverter-defibrillator implantation.HeartRhythm Case Rep. 2021; 7: 449-452
- A novel use of a subcutaneous implantable cardioverter-defibrillator algorithm to detect bradycardia.HeartRhythm Case Rep. 2022; 8: 164-166
Article info
Publication history
Footnotes
Funding Sources: None.
Disclosures: Dr le Polain de Waroux reports nonsignificant speaker fees and honoraria for proctoring and teaching activities from Medtronic, Boston Scientific, Abbott, and Biotronik.
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