*The Man Who Couldn’t Walk

Case Study of Thyrotoxic Hypokalemic Paralysis A case study Originally published in Lifeline; Newsletter of The California Chapter of the American College of Emergency Physicians Christopher Fee, MD and Susan B. Promes, MD FACEP Alameda County California Medical Center, Highland General Hospital Acute weakness is a common patient complaint in the emergency department with a…

*Thyrotoxic Hypokalemic Periodic Paralysis

A Physician’s Summary Clinical Synopsis Thyrotoxic periodic paralysis (THKPP) is an uncommon disorder characterized by simultaneous thyrotoxicosis, hypokalemia, and paralysis that occurs primarily in males of Asian descent, including patients of Japanese, Chinese, Vietnamese, Korean, and Filipino ancestry.  It most commonly presents as sudden onset weakness in the proximal muscles. It is reversible when treated…

The Man Who Couldn’t Walk

Submitted by deb on Sun, 06/26/2011 – 00:00 A case study Originally published in Lifeline; Newsletter of The California Chapter of the American College of Emergency Physicians Christopher Fee, MD and Susan B. Promes, MD FACEP Alameda County California Medical Center, Highland General Hospital Acute weakness is a common patient complaint in the emergency department with a…

Sleep Complaints in Periodic Paralysis

Submitted by deb on Mon, 06/27/2011 – 02:57 Giorgio Buzzi, MD, Neurologist Buzzi G, Mostacci B, Sancisi E, Cirignotta F. Sleep complaints in Periodic Paralyses: a web survey. Functional Neurology 2001, 17 (3). From the Sleep Medicine Unit – Dept. of Neurology S.Orsola-Malpighi Hospital – University of Bologna, Italy. SUMMARY Section 1. Background: K+ and REM sleep homeostasis….

Physician’s Reading Room

Submitted by deb on Wed, 09/07/2011 – 03:04 For your convenience, arranged by topic, a “shelf” of journal articles on the periodic paralyses. If you have a favorite link to suggest please pass it along. Textbook and Reviews Meola G, Hanna M G and Fontaine B. Diagnosis and Treatment of Muscle Channelopathies. J Neurol Neurosurg Psychiatry 2009;80:360–365. Dr Michael…

New Findings Suggest Genetics Behind Drug Response

Submitted by deb on Thu, 07/26/2012 – 17:00 PLoS One. 2012; 7(7): e40235.Published online 2012 July 10. Splicing of the rSlo Gene Affects the Molecular Composition and Drug Response of Ca2+-Activated K+ Channels in Skeletal Muscle Maria Maddalena Dinardo,#1 Giulia Camerino,#1 Antonietta Mele,1 Ramon Latorre,2 Diana Conte Camerino,1 and Domenico Tricarico1,* The molecular composition and drug responses…

Leaky Channels make weak muscles

Submitted by deb on Wed, 03/13/2013 – 18:08 Leaky channels make weak muscles: Mutations in the skeletal muscle voltage-gated calcium channel (CaV 1.1) have been associated with hypokalemic periodic paralysis, but how these mutations cause the symptoms of the disorder has always been unclear. In this article the authors describe how they used mice with the CaV 1.1…

Measuring quality of life impairment in periodic paralyses

Submitted by deb on Tue, 07/03/2012 – 18:45 
Measuring quality of life impairment in skeletal muscle channelopathies.
 Eur J Neurol. 2012 May 19. doi: 10.1111/j.1468-1331.2012.03751.x. [Epub ahead of print] Sansone VA, Ricci C, Montanari M, Apolone G, Rose M, Meola G; INQoL Group.
SourceDepartment of Neurology, University of Milan, IRCCS Policlinico San Donato, Milan, Italy.
 Abstract   Link to…