High-resolution MRI before a special heart ablation for atrial fibrillation
Part of Heart & circulation clinical trials.
This study uses high-resolution MRI scans to get a detailed picture of the heart before a special type of ablation for atrial fibrillation (an irregular heartbeat). The goal is to help doctors target the treatment more precisely.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You must be at least 18 years old.
- You must have symptomatic atrial fibrillation (irregular heartbeat) that is either paroxysmal (comes and goes) or persistent (lasts longer than a week).
- You must be scheduled for an ablation procedure that uses a special mapping technique called FIRM (a way to find the source of the irregular signals).
- You must be willing to have an MRI scan before the ablation, and be able to receive gadolinium contrast (a dye that helps see the heart better).
- You must not have a blood clot in the left atrial appendage (a small pouch in the heart) as shown by a prior test.
- You must not be unable to have an MRI (for example, due to metal implants or severe claustrophobia).
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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