Echo can differentiate old vs fresh LV clots

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Advanced strain rate echo can differentiate between old and fresh left ventricular clots after a myocardial infarction according to a pilot study reported in the journal Circulation: Cardiovascular Imaging by Frank Weidemann, MD, from the University of Wuerzburg in Germany.

Strain rate echo measures the tissue pliability in time. After 6 months of treatment with the oral anticoagulant phenprocoumon, most with fresh thrombi strain pattern will disappear.

Most embolic events after MI occur within the first 4 months and echo is currently used to detect the presence of thrombi. But this new technique may be used to identify thrombus that will positively respond to therapy.