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Cardiac sodium transport and excitation–contraction coupling

✍ Scribed by Aronsen, J.M.; Swift, F.; Sejersted, O.M.


Book ID
123063784
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
883 KB
Volume
61
Category
Article
ISSN
0022-2828

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## Abstract Intracellular Na^+^ concentration ([Na^+^]~i~) is very important in modulating the contractile and electrical activity of the heart. Upon electrical excitation of the myocardium, voltage‐dependent Na^+^ channels open, triggering the upstroke of the action potential (AP). During the AP,