What Causes Arrhythmias in Adults with Congenital Heart Disease?

 

Arrhythmias in congenital heart disease develop due to long-term changes in the heart. 

They are rarely random. 

Common causes include: 

• Surgical scars affecting electrical signals. 
• Enlarged heart chambers creating instability. 
• Increased sensitivity of the heart over time. 

Symptoms can range from mild palpitations to dizziness or fainting. 

Because episodes can be intermittent, they are often overlooked. 

Regular monitoring helps detect changes early and guide treatment. 

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