Sensing Ventricular Arrhythmias by His Bundle Leads

Sensing Ventricular Arrhythmias by His Bundle Leads

The purpose of this trial is to determine if implantable cardiac device leads implanted in the His bundle are capable of detecting ventricular arrhythmias.

During routine testing of implanted leads, the His bundle lead will be connected to a separate device with all therapies disabled. Testing will be done to see if the His bundle lead can detect ventricular arrhythmias.

Inclusion Criteria:

• Individuals undergoing routine defibrillation threshold testing of a right ventricular implantable cardioverter defibrillator lead who also have previously placed His bundle lead or who are undergoing placement of a His bundle lead.

Exclusion Criteria:

• Individuals with contraindications to defibrillation threshold testing