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Jervell and Lange-Nielsen Syndrome

National Organization for Rare Disorders, Inc.

Important
It is possible that the main title of the report Jervell and Lange-Nielsen Syndrome is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.

Synonyms

  • autosomal recessive long QT syndrome (LQTS)
  • Jervell and Lange-Nielsen (JLNS)
  • cardioauditory syndrome
  • cardioauditory syndrome of Jervell and Lange-Nielsen
  • deafness, congenital, and functional heart disease
  • surdocardiac syndrome

Disorder Subdivisions

  • None

General Discussion

Jervell and Lange-Nielsen syndrome (JLNS) is a rare inherited disorder characterized by deafness present at birth (congenital) occurring in association with abnormalities affecting the electrical system of the heart. The severity of cardiac symptoms associated with JLNS varies from case to case. Some individuals may have no apparent symptoms (asymptomatic); others may develop abnormally increased heartbeats (tachyarrhythmias) resulting in episodes of unconsciousness (syncope), cardiac arrest, and potentially sudden death. Physical activity, excitement, fright, or stress may trigger the onset of these symptoms. Fainting during the aforementioned activities is also a classic sign of JLNS. JLNS is usually detected during early childhood and is inherited as an autosomal recessive genetic disorder. More than half of the untreated cases of JLNS result in death before the age of 15.

Anton Jervell and Fred Lange-Nielsen provided the first complete description of the electrical conduction problem in the heart called long QT syndrome (LQTS) in 1957. LQTS refers to the QT-interval measured on the electrocardiogram that indicates that the heart muscle is taking longer than usual to recharge between beats. It predisposes those affected to tachyarrhythmias called torsade de pointes (TdP) which leads to syncope and may cause sudden cardiac death.

Resources

International Long QT Syndrome Registry
Heart Research Follow-up Program
Box 653
University of Rochester Medical Center
Rochester, NY 14642-8653
Tel: (585)276-0016
Fax: (585)273-5283
Email: heartajm@heart.rochester.edu

Hearing Health Foundation
363 Seventh Avenue, 10th Floor
New York, NY 10016-3904
United States
Tel: (212)257-6140
Fax: (212)257-6139
Tel: (866)454-3924
TDD: (888)435-6104
Email: info@hearinghealthfoundation.org
Internet: http://hearinghealthfoundation.org/home

American Heart Association
7272 Greenville Avenue
Dallas, TX 75231
Tel: (214)784-7212
Fax: (214)784-1307
Tel: (800)242-8721
Email: Review.personal.info@heart.org
Internet: http://www.heart.org

Sudden Arrhythmia Death Syndromes Foundation
508 E. South Temple
Suite 202
Salt Lake City, UT 84102
USA
Tel: (801)531-0937
Fax: (801)531-0945
Tel: (800)786-7723
Email: laura@sads.org
Internet: http://www.sads.org

NIH/National Heart, Lung and Blood Institute
P.O. Box 30105
Bethesda, MD 20892-0105
Tel: (301)592-8573
Fax: (301)251-1223
Email: nhlbiinfo@rover.nhlbi.nih.gov
Internet: http://www.nhlbi.nih.gov/

Cardiac Arrhythmias Research and Education Foundation, Inc. (C.A.R.E)
427 Fulton Street
P.O. Box 69
Seymour, WI 54165
USA
Fax: (920)833-7005
Tel: (800)404-9500
Email: care@careforhearts.org
Internet: http://www.longqt.org or http://www.careforhearts.org

QTsyndrome.ch
Ronnerweg 2
Nidau, 2560
Switzerland
Tel: 0041794741535
Email: info@qtsyndrome.ch
Internet: http://www.qtsyndrome.ch/index.html

Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
Tel: (301)251-4925
Fax: (301)251-4911
Tel: (888)205-2311
TDD: (888)205-3223
Internet: http://rarediseases.info.nih.gov/GARD/

Madisons Foundation
PO Box 241956
Los Angeles, CA 90024
Tel: (310)264-0826
Fax: (310)264-4766
Email: getinfo@madisonsfoundation.org
Internet: http://www.madisonsfoundation.org

American Academy of Audiology
11730 Plaza America Drive, Suite 300
Reston, VA 20190
Tel: (703)790-8466
Fax: (703)790-8631
Tel: (800)222-2336
Email: infoaud@audiology.org
Internet: http://www.audiology.org

Fetal Hope Foundation
9786 South Holland Street
Littleton, CO 80127
USA
Tel: (303)932-0553
Tel: (877)789-4673
Email: info@fetalhope.org
Internet: http://www.fetalhope.org

For a Complete Report

This is an abstract of a report from the National Organization for Rare Disorders (NORD). A copy of the complete report can be downloaded free from the NORD website for registered users. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational therapies (if available), and references from medical literature. For a full-text version of this topic, go to www.rarediseases.org and click on Rare Disease Database under "Rare Disease Information".

The information provided in this report is not intended for diagnostic purposes. It is provided for informational purposes only. NORD recommends that affected individuals seek the advice or counsel of their own personal physicians.

It is possible that the title of this topic is not the name you selected. Please check the Synonyms listing to find the alternate name(s) and Disorder Subdivision(s) covered by this report

This disease entry is based upon medical information available through the date at the end of the topic. Since NORD's resources are limited, it is not possible to keep every entry in the Rare Disease Database completely current and accurate. Please check with the agencies listed in the Resources section for the most current information about this disorder.

For additional information and assistance about rare disorders, please contact the National Organization for Rare Disorders at P.O. Box 1968, Danbury, CT 06813-1968; phone (203) 744-0100; web site www.rarediseases.org or email orphan@rarediseases.org

Last Updated:  1/16/2013
Copyright  1991, 1996, 1997, 2003, 2013 National Organization for Rare Disorders, Inc.

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