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.

May 6, 2019

Genetics and Genetic Testing 101: Pedigrees, Penetrance, and Purgatory

By Katrina Sorensen, Research Coordinator, @katrinasorensen


Are you pursuing a career in cardiology and your genetic knowledge isn't where you want it to be? Have you or a family member been diagnosed with a genetic heart rhythm disorder and your looking for more in-depth knowledge on the subject?

Below, Dr. Michael J. Ackerman, a genetic cardiologist at Mayo Clinic, presents a 50 minute lecture on Genetics and Genetic Testing 101. The lecture, created for practicing cardiologists, other health care providers and trainees who take care of patients with heart disease, has been designed to refresh and improve your basic knowledge of genetics and genetic testing.

Main learning objectives:

  1. Recognize the various modes of inheritance
  2. Differentiate between genetic penetrance and expressivity
  3. Categorize the various types of disease-susceptibility mutations
  4. Judge whether or not a single nucleotide polymorhism (SNP) is a disease-causing missense mutation or background genetic noise
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