Sinoatrial exit block occurs when the action potential initiated by the sinoatrial node is inhibited or completely blocked before it is able to leave the SA node and reach the atrium, and thus no ...

Also recall that the right coronary artery, in addition to supplying the right ventricle, inferior and posterior walls, also supplies the sinoatrial node and the AV node. A decrease in blood flow ...

Ivabradine is a selective inhibitor of the I f ion channel found in cardiac pacemaker cells of the sinoatrial node. The drug reduces ... and in those with coronary artery disease, hypertension ...