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{{Chapter|Sinus node rhythms and arrhythmias}} | {{Chapter|Sinus node rhythms and arrhythmias}} | ||
[[ | [[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 [[sinusbradycardia]] in the absence of medication |