Wandering atrial pacemaker

Wandering atrial pacemaker is a condition characterized by an irregular heart rhythm. It is caused by the pacemaker of the heart shifting between the sinoatrial node, the atria, and/or the atrioventricular node. This condition is often asymptomatic and can be seen in both healthy individuals and those with underlying heart disease.

Symptoms

Wandering atrial pacemaker is often asymptomatic, meaning that it does not cause any noticeable symptoms. However, some people may experience a feeling of an irregular heartbeat, known as palpitations. Other potential symptoms include fatigue, dizziness, and shortness of breath.

Causes

The exact cause of wandering atrial pacemaker is not known. However, it is often seen in individuals with underlying heart conditions, such as coronary artery disease or heart failure. It can also occur in healthy individuals, particularly athletes and young people.

Diagnosis

Wandering atrial pacemaker is typically diagnosed through an electrocardiogram (ECG), which can detect the irregular heart rhythm characteristic of this condition. Other diagnostic tests may include a Holter monitor, which records the heart's electrical activity over a 24-hour period, and an event monitor, which records the heart's electrical activity only when symptoms occur.

Treatment

Treatment for wandering atrial pacemaker is typically not necessary unless the condition is causing significant symptoms or is associated with an underlying heart condition. In these cases, treatment may include medications to control the heart rate or rhythm, or a procedure known as cardiac ablation to destroy the area of the heart causing the irregular rhythm.

See also

• Cardiac arrhythmia
• Sick sinus syndrome
• Atrial fibrillation
• Atrial flutter

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