Sinoatrial exit block

The sick sinus syndrome is a term that is cormnonly used to describe a wide variety of disturbances of sinus node function (28,29). More recently, the term sick sinus syndrome has been replaced by the phrase sinus node dysfunction, which will be used in this chapter. The spectrum of sinus node dysfunction includes sinus bradycardia, sinus pauses or sinus arrest, and sinoatrial exit block, which are frequently associated with atrial disease and disturbances... 

Sinus arrhythmia 32 Sinus bradycardia 35 Sinus tachycardia 40 Sinus arrest 43 Sinoatrial exit block 46 Sick sin us syn drom e 49... 

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