ArticleBMJ case reports2024
Atrial fibrillation-induced cardiomyopathy presenting with bilateral intermittent claudication associated with intracardiac thrombi.
Article in BMJ case reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Systemic thromboembolism associated with atrial fibrillation (AF) is usually caused by thrombi in the left atrial appendage and acute onset. We experienced an unusual case of a woman in her 60s who presented to the outpatient district having bilateral intermittent claudication for more than 1 month, which turned out to be multiple thromboembolism from asymptomatic AF with tachycardia. She was also complicated with non-ischaemic dilated cardiomyopathy with reduced ejection fraction, consistent with arrhythmia-induced cardiomyopathy (AiCM), along with left atrial and left ventricular thrombi and thromboembolism in multiple organs. Rate control with beta-blockers was not effective. With the administration of amiodarone after adequate anticoagulation therapy, she returned to sinus rhythm, and the ejection fraction was restored. This case is instructive in that AiCM with AF can cause thrombosis in the left ventricle, and the patient may present with worsening intermittent claudication as a result of systemic embolism.
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