What causes irregular heartbeat in unborn babies?
What causes irregular heartbeat in unborn babies? The cause of most arrhythmias is unknown but some cases may result from an electrolyte imbalance, inflammation, medication or an inherited genetic condition. Severe cases of arrhythmia may be caused by a heart defect such as congenital heart block or by an inherited condition known as long QT syndrome. What causes an Extrasystole? Extrasystoles are essentially extra beats, or contractions, which interrupt the normal regular rhythm of the heart. They occur when there is electrical discharge from somewhere in the heart other than the sino-atrial node. When are Extrasystole induced? They occur whenever...