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  • Q&A with Australian Health Practitioners

    What is the link between atrial fibrillation and strokes?

    I have recently been diagnosed with arrhythmias and I was told this could increase my risk of a stroke. Is this true?
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    Dr Andrei Catanchin

    Cardiologist (Heart Specialist)

    Dr Catanchin is a cardiologist and electrophysiologist managing atrial fibrillation and other heart rhythm disorders with medication, devices (ie. pacemakers, defibrillators) and catheter ablation. He … View Profile

    It depends on which arrhythmia you have. If it's atrial fibrillation or atrial flutter then yes, the risk of stroke is increased. Clot can form in the atrium when it's not contracting normally (such as in AF) and if this leaves the heart and lodges in the brain a stroke may result.

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