The G-protein-gated K+ channel, IKACh, is required for regulation of pacemaker activity and recovery of resting heart rate after sympathetic stimulation.

J Gen Physiol · 2013 · PMC3727310 · PMID 23858001

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showed a trendno p-value reported

Resting heart rates recorded before drug administration or physical tests also showed a trend to elevation in knockout animals.

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