CMR imaging features can correctly identify a prominent coumadin ridge, preventing misdiagnosis as a left atrial tumor or thrombus.
May prevent misdiagnosis of coumadin ridge as left atrial mass on CMR; leaves open need for systematic validation in broader populations.
A coumadin ridge is an occasionally observed, but seldom described structure seen in the left atrium during cardiac magnetic resonance (CMR) imaging. In this case, the coumadin ridge was particularly prominent and could easily have been mistaken for a tumour or thrombus. Using the combined assessment from different CMR pulse sequences, we were able to correctly identify it as the coumadin ridge. We make the reader aware of the location and the CMR imaging features of this structure so that misdiagnosis may be avoided.
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Gupta et al. (2009) studied this question.
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