What does this research mean for the field?

Incorporating atrial sensing into implantable cardioverter defibrillators to verify that ventricular cycle length is shorter than atrial cycle length successfully identifies ventricular tachycardia in 83% of cases, offering a reliable method to reduce inappropriate discharges from supraventricular tachycardias. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

October 1, 1988Pacing and Clinical Electrophysiology

Atrial Sensing to Augment Ventricular Tachycardia Detection by the Automatic Implantable Cardioverter Defibrillator: A Utility Study

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Why the study?

Does the addition of atrial sensing capability to the AICD improve the diagnostic detection of ventricular tachycardia in patients with inducible sustained monomorphic VT?

Structured PICO

Does the addition of atrial sensing capability to the AICD improve the diagnostic detection of ventricular tachycardia in patients with inducible sustained monomorphic VT?

Population

25 patients with 30 inducible sustained monomorphic ventricular tachycardias (VTs) at clinically relevant rates (≥ 150 beats/min), not taking medication capable of depressing ventriculoatrial (VA) conduction.

Intervention

Addition of atrial sensing capability to the AICD, using the criterion that ventricular cycle length (CL) be shorter than the atrial CL.

Outcome

Diagnostic utility of the VT criterion (ventricular CL < atrial CL) during inducible VT.surrogate

Adding atrial sensing to AICDs to detect when ventricular cycle length is shorter than atrial cycle length could accurately identify VT in the majority of cases, potentially reducing inappropriate shocks for supraventricular tachycardias.

Discussion

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Implication

Atrial sensing may aid VT detection in AICDs; leaves open prospective validation before clinical use.

Cite This Study

Schuger et al. (1988) studied this question.

synapsesocial.com/papers/6a193e04f2eb401dc788d0d6 https://doi.org/10.1111/j.1540-8159.1988.tb04995.x

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Atrial Sensing to Augment Ventricular Tachycardia Detection by the Automatic Implantable Cardioverter Defibrillator: A Utility Study

Structured PICO

Discussion

Implication

Cite This Study

Atrial Sensing to Augment Ventricular Tachycardia Detection by the Automatic Implantable Cardioverter Defibrillator: A Utility Study

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Also Consider