Heart shock test during ICD implant may leave no trace, study suggests
NCT ID NCT04284800
First seen Jul 16, 2026 · Last updated Jul 17, 2026 · Updated 1 time
Summary
This study investigates whether the defibrillation threshold testing (DFT) procedure, which checks that an implantable cardioverter-defibrillator (ICD) can deliver a strong enough shock to restore normal heart rhythm, causes any injury to the heart muscle. Researchers measure levels of troponin, a protein released when heart cells are damaged, before and after the procedure in people receiving a new ICD. The goal is to better understand the safety of this routine test.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Mayo Clinic
Rochester, Minnesota, 55905, United States
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