LARYNGOSPASM, DYSPHAGIA, AND EMACIATION ASSOCIATED WITH HYPERKALEMIC PERIODIC PARALYSIS IN A HORSE

Citation
Ma. Guglick et al., LARYNGOSPASM, DYSPHAGIA, AND EMACIATION ASSOCIATED WITH HYPERKALEMIC PERIODIC PARALYSIS IN A HORSE, Journal of the American Veterinary Medical Association, 209(1), 1996, pp. 115-117
Citations number
16
Categorie Soggetti
Veterinary Sciences
ISSN journal
00031488
Volume
209
Issue
1
Year of publication
1996
Pages
115 - 117
Database
ISI
SICI code
0003-1488(1996)209:1<115:LDAEAW>2.0.ZU;2-V
Abstract
Hyperkalemic periodic paralysis (HPP) is a dominant heritable muscle d isease of horses. Clinical signs associated with HPP are muscle fascic ulations, spasm, weakness, sweating, involuntary recumbency, prolapse of the third eyelid, and respiratory strider. Serum potassium is usual ly, but not always, high during clinical episodes. Abnormal electrical activity of musculature may be observed using electromyography. Endos copic evaluation of HPP-affected horses with respiratory signs may rev eal pharyngospasms and laryngospasms, and abnormalities of the nasopha ryngeal openings of the auditory tube diverticuli. Regardless of age a nd serum potassium concentration, HPP should be considered as a differ ential diagnosis for pharyngeal and laryngeal dysfunction and dysphagi a in any horse with Quarter Horse breeding.