Potassium depletion in cats: hypokalemic polymyopathy.

S. W. Dow, Richard A Lecouteur, M. J. Fettman, T. L. Spurgeon

Research output: Contribution to journalArticle

60 Scopus citations

Abstract

Generalized weakness of acute onset, apparent muscular pain, and persistent ventroflexion of the neck were observed in 6 cats. These clinical signs were associated with a low serum potassium concentration and high serum creatine kinase activity. Generalized electromyographic abnormalities, together with normal motor nerve conduction velocity determinations, were detected in all cats. Muscle biopsy specimens from 4 of 5 cats were not abnormal on light microscopic examination. Mild necrosis and infrequent macrophages were evident in a muscle biopsy specimen from one cat. Signs of polymyopathy resolved in all cats, and creatine kinase activities returned to the normal range after parenteral and oral administration of potassium. Polymyopathy and hypokalemia recurred in 3 cats in which dietary potassium supplementation was not maintained after initial recovery from hypokalemic polymyopathy.

Original languageEnglish (US)
Pages (from-to)1563-1568
Number of pages6
JournalJournal of the American Veterinary Medical Association
Volume191
Issue number12
StatePublished - Dec 15 1987
Externally publishedYes

ASJC Scopus subject areas

  • veterinary(all)

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