Sick Sinus Syndrome: Difference between revisions

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[[Image:SSS_ecg_001.jpg|thumb|ECG with Sick Sinus Syndrome. Rapid atrial fibrillation abruptly stops.]]
[[Image:SSS_ecg_001.jpg|thumb|ECG with Sick Sinus Syndrome. Rapid atrial fibrillation abruptly stops.]]
In sick sinus syndrome there is a malfunctioning sinus node. Several arrhythmias can result from this:
In sick sinus syndrome there is a malfunctioning sinus node. Several arrhythmias can result from this:
* Symptomatic slow [[sinusbradycardia]] in the absence of medication
* Symptomatic slow [[Sinus Bradycardia]] in the absence of medication
* [[Sinusarrest]] or exit block
* [[Sinus Arrest]] or exit block
* Combinations of sinoatrial and atrioventricular conductions disturbances
* Combinations of sinoatrial and atrioventricular conductions disturbances
* Brady-tachycardia syndrome; typically there is sinusbradycardia, sinusarrest or SA-block which is alternated by periods with fast or (ir)regular atrial arrhythmias ([[Atrial Fibrillation|atrial fibrillation]], [[Atrial Flutter|atrial flutter]], [[Atrial Tachycardia|atrial tachyardia]] or [[sinustachycardia]]).
* Brady-tachycardia syndrome; typically there is sinusbradycardia, sinusarrest or SA-block which is alternated by periods with fast or (ir)regular atrial arrhythmias ([[Atrial Fibrillation|atrial fibrillation]], [[Atrial Flutter|atrial flutter]], [[Atrial Tachycardia|atrial tachyardia]] or [[sinustachycardia]]).


Usually a [[pacemaker]] is implanted to prevent bradycardia and tachycardias are 'topped off' with anti-arrhythmics, such as beta blockers.
Usually a [[pacemaker]] is implanted to prevent bradycardia and tachycardias are 'topped off' with anti-arrhythmics, such as beta blockers.