Peer Reviewed
Perspectives

Recognising sick sinus syndrome

Karen Phillips
Abstract
Sick sinus syndrome is not a life-threatening condition but it can cause significant morbidity, especially in the elderly. Permanent pacemakers remain the treatment of choice.
Key Points
  • The prevalence of sick sinus syndrome increases with age and it is the most common indication for implantation of a permanent pacemaker.
  • Symptoms of sick sinus syndrome may be intermittent and nonspecific – for example, fatigue, confusion and exercise intolerance.
  • ECG monitoring and a high level of suspicion remain the cornerstones of diagnosis.
  • Exercise testing can be helpful to diagnose chronotropic incompetence causing exertional symptoms.
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