normokalemic periodic paralysis
[ nôr′mō-kā-lē′mĭk ]
An inherited form of periodic paralysis in which the serum potassium concentration is within normal limits during attacks. Onset usually occurs between the ages of 2 and 5 years, often associated with severe quadriplegia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.