New pacemaker passes MRI test: no more scan fears for heart patients

NCT ID NCT00433654

First seen Oct 31, 2025 · Last updated Apr 29, 2026 · Updated 30 times

Summary

This study tested a special pacemaker designed to be safe during MRI scans. 484 people with a slow heartbeat got the device. Researchers checked that the pacemaker worked correctly before and after an MRI, and found it did not cause problems. The goal was to show that people with this pacemaker can safely have an MRI when needed.

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Contacts and locations

Locations

  • Study site

    Redwood City, California, United States

  • Study site

    Salinas, California, United States

  • Study site

    Orlando, Florida, United States

  • Study site

    Peachtree City, Georgia, United States

  • Study site

    Des Moines, Iowa, United States

  • Study site

    Minneapolis, Minnesota, United States

  • Study site

    Kansas City, Missouri, United States

  • Study site

    St Louis, Missouri, United States

  • Study site

    Mineola, New York, United States

  • Study site

    Cincinnati, Ohio, United States

  • Study site

    Cleveland, Ohio, United States

  • Study site

    Erie, Pennsylvania, United States

  • Study site

    Knoxville, Tennessee, United States

  • Study site

    Charlottesville, Virginia, United States

  • Study site

    Norfolk, Virginia, United States

  • Study site

    Graz, Austria

  • Study site

    Linz, Austria

  • Study site

    Liège, Belgium

  • Study site

    Mons, Belgium

  • Study site

    Calgary, Alberta, Canada

  • Study site

    Victoria, British Columbia, Canada

  • Study site

    Kingston, Ontario, Canada

  • Study site

    London, Ontario, Canada

  • Study site

    Montreal, Quebec, Canada

  • Study site

    Sainte-Foy, Quebec, Canada

  • Study site

    Prague, Czechia

  • Study site

    Rouen, France

  • Study site

    Bad Nauheim, Germany

  • Study site

    Bonn, Germany

  • Study site

    Dortmund, Germany

  • Study site

    Dresden, Germany

  • Study site

    Essen, Germany

  • Study site

    Göttingen, Germany

  • Study site

    Hamburg, Germany

  • Study site

    Marburg, Germany

  • Study site

    München, Germany

  • Study site

    Ulm, Germany

  • Study site

    Asti, Italy

  • Study site

    Pescia, Italy

  • Study site

    Pietra Ligure, Italy

  • Study site

    Viterbo, Italy

  • Study site

    Amsterdam, Netherlands

  • Study site

    Nieuwegein, Netherlands

  • Study site

    Zurich, Switzerland

  • Study site

    London, United Kingdom

Conditions

Explore the condition pages connected to this study.