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Sick Sinus Syndrome
A disorder of the heart's primary pacemaker that results in erratic, abnormally slow, or absent electrical impulses.
Key Facts
- The sinoatrial node fails to generate consistent signals, leading to unpredictable heart rhythms.
- Clinical signs are frequently misattributed to normal aging in geriatric dogs and cats.
- The condition commonly causes severe bradycardia and secondary symptoms like lethargy or fainting.
- Permanent pacemaker implantation is the standard of care to stabilize the cardiac rhythm.