Sick Sinus Syndrome
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| This is part of: Sinus node rhythms and arrhythmias |
In sick sinus syndrome there is a malfunctioning sinus node. Several arrhythmias can result from this:
- Symptomatic slow sinusbradycardia in the absence of medication
- Sinusarrest or exit block
- 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 flutter, atrial tachyardia or sinustachycardia).