Most people with sick sinus syndrome have few or no symptoms. Symptoms may be mild or come and go — making them difficult to recognize at first. Signs and symptoms of sick sinus syndrome may include:  A sensation of rapid, fluttering heartbeats (palpitations) Chest pain or discomfort Confusion Dizziness or lightheadedness Fainting or near fainting Fatigue Shortness of breath Slower pulse (bradycardia) 
people sick sinus syndrome symptoms  symptoms may mild come — making difficult recognize first  signs symptoms sick sinus syndrome may include:  sensation rapid  fluttering heartbeats (palpitations) chest pain discomfort confusion dizziness lightheadedness fainting near fainting fatigue shortness breath slower pulse (bradycardia) 
sick sinus syndrome