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Table 1 Comparison of MR and echocardiography for thrombus positive studies with thrombus negative studies.

From: Diagnostic and therapeutic impact of cardiac MRI in patients with cryptogenic ischemic stroke

Modality Number %
MR & Echo 93  
MR+ 9 9.6
Echo- 5 75
Echo+ 2 2.1
MR- 2 0
  1. *Two of the negative MRs were suboptimal studies due to motion and prothetic valve artifacts.