Optimal EGM Configuration for Morphology Discrimination

Status

Terminated

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT00888667

Acronym

SVT Morphology

Enrollment

Registered

2009-04-27

Start date

2009-04-30

Completion date

2010-05-31

Last updated

2019-02-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Premature Ventricular Complexes

Keywords

ICD patients with PVCs and EGM recordings

Brief summary

The study will be a prospective cohort study of 20 patients recruited from site's Defibrillator Clinic patient population who are followed at the site. Hypothesis: Among the available EGM configuration options, one is better than the others for detection enhancements purposes.

Interventions

OTHERPacing interventions

10 seconds recording of atrial paced rhythm at 100 ppm in sitting 10 seconds recording of atrial paced rhythm at 150 ppm in supine 10 seconds recording of atrial paced rhythm at 150 ppm in sitting

Study design

Observational model

OTHER

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

1. Patients must already have an implanted St. Jude Medical dual chamber ICD with a dual coil defibrillator lead. 2. Patients must be willing to sign an informed consent form. 3. Patients must have frequent PVCs (minimum of 30/hour)

Exclusion criteria

1. Known history of slow VT (under 160 bpm). 2. Patients under the age of 18 years. 3. Pregnant women. 4. Pacemaker dependent rhythm. 5. Ongoing angina pectoris. 6. Current NYHA Class 3-4 heart failure.

Design outcomes

Primary

Measure	Time frame	Description
% morphology match	acute	off line analysis

Countries

Canada

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026