symptoms of bradycardia low cardiac output
If you have bradycardia, your brain and other organs may not get the supply of oxygen they need. As a result, you may experience these bradycardia symptoms: 1  Near-fainting or fainting (syncope). 2  Dizziness. 3  Weakness. 4  Fatigue. 5  Shortness of breath. 6  Chest pains. 7  Confusion or memory problems.