Genetic Heart Rhythm Diseases

Welcome to the Genetic Heart Rhythm Diseases page. The Mayo Clinic Windland Smith Rice Genetic Heart Rhythm Clinic, with the Windland Smith Rice Sudden Death Genomics Laboratory in Rochester, MN, is dedicated to diagnosing, treating, and researching all types of genetic heart rhythm diseases that can cause sudden death.

Follow the Genetic Heart Rhythm Diseases page and stay up-to-date as we post stories, clinical trials, and useful information regarding your genetic heart rhythm condition.

Aug 13, 2020

The 5 QTc Preventative Measures

By Katrina Sorensen, Research Coordinator, @katrinasorensen


Did you know that there are preventative measures you can take to protect yourself if you have long QT syndrome (LQTS)? In the video below, Dr. Ackerman, a genetic cardiologist, and director of Mayo Clinic’s Genetic Heart Rhythm Clinic reviews the five overarching QT preventative safety measures that patients with long QT syndrome (LQTS) should observe.

For any patient with long QT syndrome (LQTS), the top 5 overarching preventative measures should always be observed:

  1. QT drug avoidance (
  2. Hydration and electrolyte replenishment, especially in the setting of vomiting and diarrheal illnesses
  3. Fever reduction in the setting of febrile illnesses and heat exhaustion avoidance
  4. Omega-3 fish oil supplementation as an optional supplement
  5. Learn CPR and obtain AED as part of families safety gear
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