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Imaging / functional test

Holter ECG

Other names and abbreviations: Holter, 24-hour ECG

ECG recording for 24–72 hours during everyday activities.

A small device with electrodes records the heart's activity for 24 hours or longer. It helps detect rhythm disorders that occur rarely.

When it is done

With palpitations, fainting, dizziness, monitoring treatment of rhythm disorders.

How to prepare

Come after a shower (you can't bathe with the device). Note your symptoms and activities in a diary.

Related terms

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