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Cardiac Source of Embolism (SOE) and Cardiac Masses 

Cardiac Source of Embolism (SOE) and Cardiac Masses
Cardiac Source of Embolism (SOE) and Cardiac Masses

Patrizio Lancellotti

and Bernard Cosyns

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date: 27 September 2020

Embolism of cardiac origin accounts for around 15–30 per cent of ischaemic strokes. The diagnosis of a cardio-embolic source of stroke is frequently uncertain and relies on the identification of a potential cardiac source of embolism in the absence of significant cerebrovascular occlusive disease. In this respect, echocardiography (both transthoracic and/or transoesophageal) serves as a cornerstone in the evaluation, diagnosis, and managementof these patients. A clear understanding of the various types of cardiac conditions associated with cardio-embolic stroke and their intrinsic risk is therefore very important. This chapter describes three categories of cardio-embolic sources of embolism: conditions predisposing to thrombus formation; cardiac masses; and cardiac conduits for paradoxical embolization. It focuses on cardiac masses and potential sources of embolism including vegetations, thrombi, cardiac tumours, non-neoplastic masses, extracardiac masses, suggesting differential diagnosis with structures that may mime pathologic conditions.

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