Diseases and Conditions
Sick sinus syndrome
Overview
Symptoms
Causes
Risk factors
Complications
Diagnosis
Treatment
Lifestyle and home remedies
Preparing for an appointment
Complications
When your heart's natural pacemaker isn't working properly, your heart can't work as well as it should. This can lead to:
- Atrial fibrillation, a chaotic rhythm of the upper chambers of the heart
- Heart failure
- Stroke
- Cardiac arrest