What are the symptoms of Heart Block ?
Signs and symptoms depend on the type of heart block you have. First-degree heart block may not cause any symptoms.
                
Signs and symptoms of second- and third-degree heart block include:
                
Fainting
                
Dizziness or light-headedness
                
Fatigue (tiredness)
                
Shortness of breath
                
Chest pain
                
These symptoms may suggest other health problems as well. If these symptoms are new or severe, call 911 or have someone drive you to the hospital emergency room. If you have milder symptoms, talk with your doctor right away to find out whether you need prompt treatment.