Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Automated left ventricular capture management.

George H Crossley1, Hardwin Mead, Karen Kleckner

  • 1Mid-State Cardiology Associates, Nashville, Tennessee, USA. ghcmd@comcast.net

Pacing and Clinical Electrophysiology : PACE
|September 28, 2007
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Helium Plasma Radiofrequency for Aesthetic Subdermal Treatment: A Systematic Review and Meta-Analysis.

Aesthetic surgery journal. Open forum·2026
Same author

Retrosternal extravascular implantable cardioverter-defibrillators: a systematic review of implant characteristics, defibrillation testing, and acute safety.

Future cardiology·2026
Same author

Impact of Emergent Physician Notifications from Mobile Cardiac Outpatient Telemetry on Patient Outcomes (The EP-COT Trial).

Journal of cardiovascular electrophysiology·2026
Same author

Intravascular Lithotripsy to Facilitate Extraction of Very Old Cardiac Implantable Electronic Devices Leads.

Journal of cardiovascular electrophysiology·2026
Same author

Safety and Efficacy of the Novel OmniaSecure Defibrillation Lead Through Long-Term Follow-Up: Final Results From the LEADR Trial.

Circulation. Arrhythmia and electrophysiology·2025
Same author

Genetic evaluation of early-onset atrial fibrillation: impact on patient management.

European heart journal·2025
Same journal

A Case of Permanent Pacemaker Implantation via the Epicardial Approach Using the 3830 Lead in an 11-Day-Old Neonate (With Follow-Up of the Above Case).

Pacing and clinical electrophysiology : PACE·2026
Same journal

Cryoballoon Versus Radiofrequency Ablation for Persistent Atrial Fibrillation: Meta-Analysis of Randomized Trials.

Pacing and clinical electrophysiology : PACE·2026
Same journal

Tilt Test Duration in Suspected Vasovagal Syncope: Temporal Patterns and Diagnostic Yield in Patients From Central China.

Pacing and clinical electrophysiology : PACE·2026
Same journal

Combined Leadless Pacing and Subcutaneous ICD Therapy in Long QT Syndromes.

Pacing and clinical electrophysiology : PACE·2026
Same journal

Association of Anesthesia Modality With Procedural Parameters and Clinical Outcomes in PVI for Atrial Fibrillation.

Pacing and clinical electrophysiology : PACE·2026
Same journal

Zero-Fluoroscopy Cryoballoon Ablation for Paroxysmal Atrial Fibrillation in a Patient With Dextrocardia: A Case Report.

Pacing and clinical electrophysiology : PACE·2026
See all related articles

A new algorithm for Left Ventricular Capture Management (LVCM) automatically measures stimulation thresholds in cardiac resynchronization systems. This safe and accurate method is clinically equivalent to manual testing, improving LV capture.

Area of Science:

  • Cardiology
  • Biomedical Engineering
  • Medical Devices

Background:

  • Left ventricular (LV) lead stimulation thresholds are less reliable than conventional leads.
  • Cardiac resynchronization therapy (CRT) necessitates continuous capture of both ventricles for efficacy.

Purpose of the Study:

  • To evaluate a novel algorithm for automatic measurement of LV lead stimulation thresholds in CRT systems.

Main Methods:

  • 134 patients with CRT-D systems were enrolled across 18 centers.
  • A software algorithm for automatic LV threshold measurement was implemented on the device.
  • Measurements were compared against manual threshold tests and Holter monitor data.

Main Results:

  • The Left Ventricular Capture Management (LVCM) algorithm achieved 99.7% agreement with manual tests.

Related Experiment Videos

  • Successful threshold measurement occurred in 96% and 97% of patients at 1 and 3 months, respectively.
  • Holter monitor analysis confirmed the algorithm's accurate performance.

    • Conclusions:

    • The LVCM algorithm is safe, accurate, and highly reliable for LV lead threshold assessment.
    • LVCM demonstrated clinical equivalence to manual testing across various leads and locations.
    • LVCM facilitates automatic measurement, output adaptation, and trending, enhancing LV capture maintenance and device longevity.