Alfredo R. Galassi et al. JCIN 2016;9:1979-1991 IVUS-Guided Reverse CART (A) Mid RCA CTO. (B, C) Retrograde Ultimate Bros 3 (Asahi Intec) in the intimal plaque as confirmed by IVUS (white arrow). (D) IVUS-guided reverse CART (balloon sizing). (E, F) Retrograde Fielder FC (Asahi Intec) GW re-entry and connection in the same space with antegrade GW, confirmed by IVUS (white arrow). (G) Final result. CART = controlled antegrade retrograde tracking; other abbreviations as in Figures 1 and 2. Alfredo R. Galassi et al. JCIN 2016;9:1979-1991 American College of Cardiology Foundation