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Development of a novel echocardiography ramp test for speed optimization and diagnosis of device thrombosis in continuous-flow left ventricular assist devices: the Columbia ramp study.
Uriel N, Morrison KA, Garan AR, Kato TS, Yuzefpolskaya M, Latif F, Restaino SW, Mancini DM, Flannery M, Takayama H, John R, Colombo PC, Naka Y, Jorde UP. Uriel N, et al. J Am Coll Cardiol. 2012 Oct 30;60(18):1764-75. doi: 10.1016/j.jacc.2012.07.052. Epub 2012 Oct 3. J Am Coll Cardiol. 2012. PMID: 23040584 Free PMC article.