Andersen-Tawil syndrome history and symptoms
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Vamsikrishna Gunnam M.B.B.S [2]
Overview
- The most common symptoms of Andersen-Tawil Syndrome include periodic paralysis, ventricular arrhythmias, syncope, muscular weakness, developmental abnormalities, sudden cardiac death and seizures.
History and Symptoms
History
Patients with Andersen-Tawil Syndrome may have a positive history of:
Common Symptoms
Common symptoms of Andersen-Tawil Syndrome include:[1][2]
- Periodic paralysis which are related to hypokalemia and are spontaneous in nature
- Ventricular arrhythmias
- Extrasystoles: Premature ventricular contraction
- Arrhythmic syncope
- Intermittent muscular weakness
- Skeletal developmental abnormalities
Less Common Symptoms
Less common symptoms of Andersen-Tawil Syndrome include:
- SCD(sudden cardiac death) is due to sudden hemodynamic collapse
- SCA: Spinocerebellar ataxia
- Generalized seizures, which are often misdiagnosed as primary seizure disorder
- Learning difficulties
References
- ↑ Tristani-Firouzi M, Jensen JL, Donaldson MR, Sansone V, Meola G, Hahn A; et al. (2002). "Functional and clinical characterization of KCNJ2 mutations associated with LQT7 (Andersen syndrome)". J Clin Invest. 110 (3): 381–8. doi:10.1172/JCI15183. PMC 151085. PMID 12163457.
- ↑ Sansone V, Griggs RC, Meola G, Ptácek LJ, Barohn R, Iannaccone S; et al. (1997). "Andersen's syndrome: a distinct periodic paralysis". Ann Neurol. 42 (3): 305–12. doi:10.1002/ana.410420306. PMID 9307251.