We use our curved probe to "bust through" calcified plaques that shadow the posterior wall. It works like a charm! ~Jill Valerie Jill Myers, RVT Program Director, Peripheral Vascular Lab UPMC Presbyterian 200 Lothrop St. PUH E-160 Pittsburgh, PA 15213 phone: 412-647-1670 fax: 412-647-1669 To unsubscribe or search other topics on UVM Flownet link to: http://list.uvm.edu/archives/uvmflownet.html