Arrhythmia
Conditions
Interventions
Non-outflow tract VE or VT group:none
Ventricular pre-excitation patient group:none
Due to LBBB left ventricular pacing group:none
RV pacing group:none
BIV pacing group:none
Healthy control group:none
Sponsors
Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Male or female patients aged 18 to 70; 2. Patients showing ventricular ectopic rhythm (VE) or ventricular tachycardia (VT) patterns on ECG; 3. Ventricular ectopic rhythm accompanied by underlying structural heart disease; 4. Patients with LBBB left ventricular pacing, RV pacing, or biventricular (Biv) pacing devices.
Exclusion criteria
Exclusion criteria: 1. Patients with poor acoustic windows or a BMI >= 30; 2. Patients with an EF < 25%; 3. Patients with large areas of cardiac scar tissue; 4. Patients in whom the target ventricular arrhythmia cannot be induced through programmed electrical stimulation (such as intracardiac or trans-thoracic pacing).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Abnormal activation site of myocardium; | — |
Secondary
| Measure | Time frame |
|---|---|
| Electrical excitation time deviation; | — |
Countries
China
Contacts
Public ContactMingxing Xie
Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Outcome results
None listed