Heart block is an abnormal heart rhythm where the heart beats too slowly (bradycardia). In this condition, the electrical signals that tell the heart to contract are partially or totally blocked between the upper chambers (atria) and the lower chambers (ventricles).
Symptoms
- Lightheadedness or dizziness.
- Palpitations (skipping, fluttering or pounding in the chest)
- Fatigue.
- Chest pressure or pain.
- Shortness of breath.
- Fainting spells.
