A Holter monitor is a small device worn over 24-48 hours that records all the heart beats during this period. The data collected is analyzed using special software to determine if any heart rhythm disorders are present to isolate the cause of symptoms such as palpitations, dizziness or fainting.

Indicated in the evaluation of patients presenting with symptoms suggestive of an arrhythmia, bradycardia or tachycardia. Also used in patients to detect asymptomatic atrial fibrillation with TIA or CVA with no cause identified.

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