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 P ...

This page lists all known medications that could potentially lead to 'Sinoatrial node dysfunction' as a side effect. It's important to note that mild side effects are quite common with medications.

Since hypoxia inhibits conduction & automaticity predominantly in tissues dependent on the slow (Ca-channel) current, sinus node (SN) function should be selectively depressed. The effects of acute, ...