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Some reasons for your physician to request a Holter monitor recording or event monitor recording include, but are not limited to, the following:
Evaluate chest pain not reproduced with exercise testing
Evaluate other signs and symptoms which may be heart-related, such as fatigue, shortness of breath, dizziness, or fainting
Identify irregular heartbeats or palpitations
Assess risk for future heart-related events in certain conditions, such as idiopathic hypertrophic cardiomyopathy (enlarged heart due to unknown reasons), post-heart attack with dysfunction of the left side of the heart, or Wolff-Parkinson-White syndrome (a condition in which an additional electrical pathway carries an impulse from the atria to the ventricles, causing rhythm problems)
Assess the function of an implanted pacemaker
Determine the effectiveness of therapy for complex arrhythmias
There may be other reasons for your physician to recommend the use of a Holter monitor.