Doppler Ultrasound to Detect Blood Clots
June 6, 2017 | Terry Sharrer
Doppler ultrasound generates frequencies that are amplified when a transducer moves over an artery or vein. A blockage changes the pitch of the rebounding sound waves—actually silencing it. A Johns Hopkins spinoff company, Sonavex, recently won funding for this technique in a product that surgeons could use to determine the presence of a clot, as with a stroke or post-operative coagulation. MORE
Image Credit: Sonavex