Bradycardia is a condition characterized by a slower than normal heart rate. While a normal adult heart beats between 60 and ...

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 ...

Both the SA node and the AV node naturally slow with ... In these cases, slow rates are treatable without a pacemaker. A common pacemaker system has a battery and two wires that can send and ...