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  • Title: Long-Term Cardiac Monitoring After Embolic Stroke of Undetermined Source: Search Longer, Look Harder.
    Author: Sagris D, Harrison SL, Buckley BJR, Ntaios G, Lip GYH.
    Journal: Am J Med; 2022 Sep; 135(9):e311-e317. PubMed ID: 35580719.
    Abstract:
    Embolic stroke of undetermined source (ESUS) represents a heterogeneous subgroup of patients with cryptogenic stroke, in which despite an extensive diagnostic workup the cause of stroke remains uncertain. Identifying covert atrial fibrillation among patients with ESUS remains challenging. The increasing use of cardiac implanted electronic devices (CIED), such as pacemakers, implantable defibrillators, and implantable loop recorders (ILR), has provided important information on the burden of subclinical atrial fibrillation. Accumulating evidence indicate that long-term continuous monitoring, especially in selected patients with ESUS, significantly increases the possibility of atrial fibrillation detection, suggesting it may be a cost-effective tool in secondary stroke prevention. This review summarizes available evidence related to the use of long-term cardiac monitoring and the use of implantable cardiac monitoring devices in patients with ESUS.
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