A Case of VF Misclassification Corrected by VF Therapy Assurance: Implications for ICD Programming
Naoki Matsumoto, Kenji Shimeno, Masanori Matsuo, Yukio Abe, Daiju Fukuda
TL;DR
A case shows how a device feature called VFTA can correct misclassification of heart rhythm issues and improve treatment timing.
Contribution
Demonstrates how VFTA can prevent misclassification and treatment delay in ventricular fibrillation.
Findings
VFTA detected persistent VF after initial shock failure.
VFTA enabled timely shock delivery and successful resuscitation.
VFTA may optimize ICD programming for life-threatening arrhythmias.
Abstract
Implantable cardioverter‐defibrillator undersensing may delay therapy in ventricular fibrillation with low‐amplitude signals. Ventricular fibrillation therapy assurance (VFTA) detected persistent VF after initial shock failure, enabling timely shock delivery and successful resuscitation. VFTA may help optimize device programming by preventing misclassification and treatment delay in life‐threatening arrhythmias.
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Taxonomy
TopicsCardiac pacing and defibrillation studies · Cardiac electrophysiology and arrhythmias · Mechanical Circulatory Support Devices