Funny current (or funny channel, or If, or IKf, or pacemaker current) refers to a specific current in the heart.
First described in the late 1970s in Purkinje fibers and sinoatrial myocytes, the cardiac pacemaker "funny" (If) current has been extensively characterized and its role in cardiac pacemaking has been investigated.
Read more about Funny Current: Function, Related Currents, Molecular Determinants, Clinical Significance
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