Sodium-dependence of Sustained Force in Potassium Contracture of Cat Ventricle

Overview

Journal Experientia

Specialty Science

Date 1978 Dec 15

PMID 729722

Citations 3

Authors

J R Wiggins

A L BASSETT

Affiliations

Soon will be listed here.

Abstract

Following exposure to low-Na solutuion, the initial phase of K-contracture in cat ventricle is prominent while the second (sustained) phase is markedly attenuated. Monensin, a Na-specific ionophore, enhances the second phase of K-contracture following exposure to low-Na solution.

Citing Articles

Potential and tension changes induced by sodium removal in dog Purkinje fibres: role of an electrogenic sodium-calcium exchange.

Croaboeuf E, Gautier P, Giuraudou P J Physiol. 1981; 311:605-22.

PMID: 7264984 PMC: 1275432. DOI: 10.1113/jphysiol.1981.sp013607.

The tension-depolarization relationship of frog atrial trabeculae as determined by potassium contractures.

Chapman R, Tunstall J J Physiol. 1981; 310:97-115.

PMID: 6971932 PMC: 1274730. DOI: 10.1113/jphysiol.1981.sp013539.

The effect of high K+ depolarization and verapamil on 45Ca2+ fluxes in the canine myocardium.

Lodge N, BASSETT A, Gelband H Pflugers Arch. 1985; 403(2):222-4.

PMID: 3982973 DOI: 10.1007/BF00584105.

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