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Diseases
Cardiac arrhythmias
Bradycardia
Sick sinus syndrome
Sick Sinus Syndrome
Sinus node (pacemaker of the heart) impulses are not sent properly
Bradycardia or tachycardia can occur intermittently.
Can also be caused by scarring near the sinus node that is slowing, disrupting or blocking the travel of impulses.
Arrhythmias associated with sick sinus syndrome: