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  • Title: Fibrillation and potassium influx.
    Author: HOLLAND WC, BRIGGS AH.
    Journal: Science; 1959 Jan 23; 129(3343):212. PubMed ID: 13624705.
    Abstract:
    Absolute influx and efflux of potassium-42 have been measured in isolated rabbit atria during acetylcholine-induced fibrillation. The efflux of potassium was increased three to four times; influx was not changed. The data are interpreted as indicating that an inhibition of active K uptake is not involved in the initiation of fibrillation, and that the process results from a marked increase in Na permeability.
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