A Holter monitor is a small, portable device that continuously records your heart’s electrical activity over 24 to 48 hours, or longer for extended monitoring. Worn comfortably under your clothing, it captures every heartbeat during your daily routine — including sleep, exercise, and moments when symptoms occur. This test is particularly useful for detecting intermittent arrhythmias, unexplained dizziness, or palpitations that may not show up on a standard ECG. Once the recording period is complete, our team analyses the data and reviews the findings with you to guide the next steps in your care.
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