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Sick Sinus Syndrome Learning Center
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Sick sinus syndrome is a collection of heart rhythm disorders that include: Sinus bradycardia - slow heart rates from the natural pacemaker of the heart; Tachycardias - fast heart rates; Bradycardia-tachycardia - alternating slow and fast heart rh...
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Sick sinus syndrome is a disorder of the sinus node of the heart, which regulates heartbeat. With sick sinus syndrome, the sinus node fails to signal properly, resulting in changes in the heart rate.
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