Cryptogenic Stroke

Author:
  • JMJ.P. Mohr
    J.P. Mohr
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Abstract
IN this issue of the Journal, Lechat and colleagues1 show that contrast echocardiography greatly increased the frequency with which patent foramen ovale was diagnosed in a series of young patients who had had strokes, especially in a subgroup with no known risk factors for stroke. These findings point up the value of noninvasive cardiac imaging in uncovering a risk factor in those whose stroke would otherwise be characterized as "cryptogenic." The diagnosis of cryptogenic stroke is more common, now that atherosclerotic stenosis or thrombosis of large arteries, formerly the accepted causes of a majority of strokes, have been shown . . .

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