Diseases

Andersen Syndrome

A form of inherited long QT syndrome (or LQT7) that is characterized by a triad of potassium-sensitive periodic paralysis, VENTRICULAR ECTOPIC BEATS, and abnormal features such as short stature, low-set ears, and SCOLIOSIS. It results from mutations of KCNJ2 gene which encodes a channel protein (INWARD RECTIFIER POTASSIUM CHANNELS) that regulates resting membrane potential.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A form of inherited long QT syndrome (or LQT7) that is characterized by a triad of potassium-sensitive periodic paralysis, VENTRICULAR ECTOPIC BEATS, and abnormal features such as short stature, low-set ears, and SCOLIOSIS. It results from mutations of KCNJ2 gene which encodes a channel protein (INWARD RECTIFIER POTASSIUM CHANNELS) that regulates resting membrane potential.

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Classification

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Synonyms

10 entry terms
  • Andersen Cardiodysrhythmic Periodic Paralysis
  • Andersen Cardiodysrythmic Periodic Paralysis
  • Andersen Tawil Syndrome
  • Andersen-Tawil Syndrome
  • Long QT Syndrome 7
  • Periodic Paralysis, Potassium-Sensitive Cardiodysrhythmic Type
  • Potassium-Sensitive Periodic Paralysis, Ventricular Ectopy, and Dysmorphic Features
  • Periodic Paralysis, Potassium Sensitive Cardiodysrhythmic Type
  • Syndrome, Andersen
  • Syndrome, Andersen Tawil

MeSH Record

Aspects Covered

34 allowable subheadings

Indexed with the subheadings blood, cerebrospinal fluid, chemically induced, classification, complications, diagnosis, diagnostic imaging, diet therapy, drug therapy, economics, embryology, enzymology, epidemiology, ethnology, etiology, genetics, history, immunology, metabolism, microbiology, mortality, nursing, parasitology, pathology, physiopathology, prevention & control, psychology, radiotherapy, rehabilitation, surgery, therapy, urine, veterinary, virology.

MeSH Record

Indexing Annotation

do not confuse with ANDERSEN DISEASE see GLYCOGEN STORAGE DISEASE TYPE IV

MeSH Record

History Note

2006

MeSH Hierarchy

Tree Numbers

  1. C14w.280w.067w.565w.070w
  2. C14w.280w.123.625w.070w
  3. C16w.131w.240.400w.715w.070w
  4. C23.550.073w.547w.070w

AMA Style

References

  1. National Library of Medicine. Andersen Syndrome. Medical Subject Headings (MeSH). 2026. Unique ID D050030. http://id.nlm.nih.gov/mesh/2026/D050030
  2. Andersen Syndrome. In: Wikipedia. https://en.wikipedia.org/wiki/Andersen%E2%80%93Tawil_syndrome
  3. Andersen Syndrome. In: Wikidata. https://www.wikidata.org/wiki/Q773118