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"Duplication" of aortic cusp. New M-mode echocardiographic sign of intimal tear in aortic dissection.
  1. I S Cohen,
  2. T P Wharton, Jr


    M-mode and two-dimensional echocardiograms were obtained in a patient with acute dissecting aneurysm of the ascending aorta. The M-mode echocardiogram disclosed apparent "duplication" of the non-coronary aortic cusp. Two-dimensional echocardiograms showed this finding to be the result of the motion of a flap of torn aortic intima. This new M-mode finding appears to be a highly specific echocardiographic sign for aortic dissection.

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