Wolff Parkinson White Syndrome

National Organization for Rare Disorders, Inc.

Important
It is possible that the main title of the report Wolff Parkinson White 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

  • Accessory Atrioventricular Pathways
  • Preexcitation Syndrome
  • WPW Syndrome

Disorder Subdivisions

  • None

General Discussion

Wolff-Parkinson-White (WPW) syndrome is a rare congenital heart disorder involving irregularities in the electrical system of the heart. In individuals with WPW syndrome, an abnormal alternate electrical pathway (accessory pathway), exists between the atrium and the ventricle, resulting in abnormal heartbeat rhythms (arrhythmias) and faster than normal heartbeats (tachycardia).

The normal heart has four chambers. The two upper chambers are the atria and the two lower chambers are the ventricles. Within the right atrium of a normal heart is a natural pacemaker that initiates and controls the heartbeat. The electrical stimulus travels from the pacemaker (sinoatrial or SA node) to the ventricles along a specific pathway consisting of conducting tissue and known as the AV (atrioventricular) node. The extra electrical pathway in individuals with WPW syndrome bypasses the normal route and causes the ventricles to beat earlier than normal (preexcitation) and can allow electrical impulses to be conducted in both directions (i.e., from the atria to the ventricles and from the ventricles to the atria).

Resources

American Heart Association
7272 Greenville Avenue
Dallas, TX 75231-4596
Tel: (214)373-6300
Fax: (214)373-0268
Tel: (800)242-8721
Email: Review.personal.info@heart.org
Internet: http://www.americanheart.org

Congenital Heart Anomalies, Support, Education, & Resources, Inc. (CHASER, Inc.)
2112 North Wilkins Road
Swanton, OH 43558
USA
Tel: (419)825-5575
Fax: (419)825-2880
Email: myer106w@wonder.em.cdc.gov
Internet: http://www.csun.edu/~hcmth011/chaser/chaser-news.html

NIH/National Heart, Lung and Blood Institute Information Center
P.O. Box 30105
Bethesda, MD 20824-0105
Tel: (301)592-8573
Fax: (301)251-1223
Email: nhlbiinfo@rover.nhlbi.nih.gov

Cardiomyopathy Association
Chiltern Court, Unit 10
Asheridge Road
Chesham
Bucks, Intl HP5 2PX
United Kingdom
Tel: +44 (0)1494 791224
Fax: +44 (0)1494 797199
Tel: 0800 018 1024
Email: info@caridiomyopathy.org
Internet: http://www.cardiomyopathy.org

MUMS National Parent-to-Parent Network
150 Custer Court
Green Bay, WI 54301-1243
USA
Tel: (920)336-5333
Fax: (920)339-0995
Tel: (877)336-5333
Email: mums@netnet.net
Internet: http://www.netnet.net/mums/

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
Email: ordr@od.nih.gov
Internet: http://rarediseases.info.nih.gov/Default.aspx

HOPE (The Heart of Pediatric Electrophysiology)
PO Box 519
Park Ridge, NJ 07565
Tel: (201)505-9383
Fax: (201)505-0920
Tel: (877)394-4673
Email: info@heartbeatsofhope.org, info@timothysyndrome.org
Internet: http://www.heartbeatsofhope.org

For a Complete Report

For a Complete Report

This is an abstract of a report from the National Organization for Rare Disorders, Inc. ® (NORD). A copy of the complete report can be obtained for a small fee by visiting the NORD website. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational treatments (if available), and references from medical literature. For a full-text version of this topic, see http://www.rarediseases.org/search/rdblist.html

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