Heart rhythm hiccups may fog your brain, study suggests
NCT ID NCT04033510
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at whether people with atrial fibrillation (AF) have temporary drops in thinking skills during an AF episode. Researchers will test 600 patients using tablet-based games that measure memory, attention, and decision-making while in AF and again after their heart returns to normal rhythm. The goal is to understand if AF itself affects brain function, not to test a new treatment.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- What this could lead to
- If it works, this could show that AF episodes temporarily affect thinking skills, pointing toward ways to protect the brain during AF.
- What could go wrong
- This is an observational study, not a treatment trial. It only measures short-term changes and may not apply to all AF patients.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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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
Locations
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Penrose St. Francis
Colorado Springs, Colorado, 80907, United States
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