Why Is Fatigue So Common in Congenital Heart Disease?

 

Fatigue is a frequent and often overlooked symptom in adults with congenital heart disease.

Unlike general tiredness, it may not improve fully with rest and can interfere with daily life.

The main reason is reduced cardiac efficiency. The heart may have to work harder to maintain circulation, resulting in less oxygen being delivered to muscles and the brain.

This can lead to ongoing exhaustion, particularly during physical or mental activity.

Additional factors can contribute, including heart rhythm disturbances, medication side effects, and underlying conditions such as anaemia.

Fatigue may also develop gradually, making it difficult to recognise changes over time.

Monitoring energy levels is therefore important.

A noticeable increase in fatigue should be discussed with a healthcare professional, as it may indicate a change in heart function.

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