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Guidelines for sites linking to mayoclinic.orgBelow are some helpful Internet resources on this topic. Mayo Clinic does not own or control any of these sites and is not responsible for their content. Inclusion of these sites does not imply endorsement by Mayo Clinic.
www.hrsonline.org
Heart Rhythm Society
www.americanheart.org
American Heart Association
www.ncbi.nlm.nih.gov
National Center for Biotechnology Information
www.qtdrugs.org
Arizona Center for Education and Research on Theraputics
www.longqt.org
Cardiac Arrhythmias Research and Education Foundation
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