To compare the observations of processes of blood coagulation in vitro with the processes taking place in the cardiovascular system, the records of real ultrasound studies of the vessels were analyzed. It was found that in some pathological conditions in the vessels echocontrast can be observed, that similar to that observed in the early stages of blood coagulation experimentally.
More details can be found in the article [in Russian]: Uzlova S.G., Guria K.G., Shevelev A.A., Vasilyev S.A., Guria G.Th. Acoustically detectable intravascular microclots as precursors of postoperative complication // Cardiovascular diseases. 2008; 6:55-64.