What are some typical symptoms of sick sinus syndrome?

Sick sinus syndrome is a condition that involves dysfunction of the sinus node, the part of the heart responsible for regulating its rhythm. Patients with sick sinus syndrome often experience a variety of symptoms due to the irregular heart rhythms that can occur.

Occasional faints and tiredness are typical symptoms associated with sick sinus syndrome because the irregular heartbeats can lead to periods of bradycardia (abnormally slow heart rate), which may cause the brain and other organs to receive insufficient blood flow. This inadequacy can result in light-headedness or fainting episodes. Additionally, fatigue may result from inadequate cardiac output and the body’s inability to maintain efficient circulation during episodes of arrhythmia.

The other options present symptoms that may not be typical of sick sinus syndrome. Frequent palpitations and shortness of breath may relate more to other arrhythmias or conditions such as anxiety or heart failure. Severe chest pain and sweating are signs often associated with acute coronary syndrome rather than sick sinus syndrome directly. Persistent high blood pressure is more related to hypertension and its sequelae rather than the sinus node dysfunction found in sick sinus syndrome. Understanding the specific symptomatology associated with sick sinus syndrome is key in differentiating it from other cardiac conditions.