Fig. 4. A 65-year-old man who underwent surgical aortic valve replacement 9 years previously developed chest discomfort. The INR was 0.94 at the time of.

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Fig. 4. A 65-year-old man who underwent surgical aortic valve replacement 9 years previously developed chest discomfort. The INR was 0.94 at the time of admission. (A) On echocardiography, a low-echoic movable lesion (white arrow) is visible with left prosthetic leaflet dysfunction. (B) The lesion (white arrow) shows low attenuation (52 Hounsfield units) on computed tomography and was suspected to be a thrombus. After adjustment for optimal anticoagulation, the INR increased to 2.3, and the lesion was no longer visible on follow-up echocardiography after 3 months (not shown). AO: aorta, LA: left atrium, LV: left ventricle, INR: international normalized ratio. Fig. 4. A 65-year-old man who underwent surgical aortic valve replacement 9 years previously developed chest discomfort. The INR was 0.94 at the time of admission. (A) On echocardiography, a low-echoic movable lesion (white arrow) is visible with left prosthetic leaflet dysfunction. (B) The lesion (white arrow) shows low attenuation (52 Hounsfield units)… Cardiovasc Imaging Asia. 2017 Oct;1(4):222-230. https://doi.org/10.22468/cvia.2017.00115