EFFECTS OF VERAPAMIL ON SA AND AV NODAL ACTION POTENTIALS IN THE ISOLATED RABBIT HEART

1 January 1975

journal article
Published by Japanese Circulation Society in Japanese Circulation Journal

Vol. 39 (8) , 913-917
https://doi.org/10.1253/jcj.39.913

Abstract

In the isolated rabbit heart, it was shown that verapamil suppressed the electrical activities of the SA and AV nodes without preventing regenerative responses in atrial muscle fibers. It was concluded that the different effects of verapamil on SA and AV nodal action potentials resulted from the operation of a different ionic channel (slow channel) from that of ordinary atrial muscle.

Keywords

AV NODAL ACTION
NODAL ACTION POTENTIALS
VERAPAMIL ON SA

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