Antegrade and Retrograde Ambiguity in a Left Circumflex Artery Chronic Total Occlusion 

<p>Within the prior 24 months, I have had a financial relationship with a company producing, marketing, selling, re-selling, or distributing healthcare products used by or on patients: </p><ul><li>Consultant Fee/Honoraria/Speaker’s Bureau - Shockwave Medical; Bristol-Myers Squibb</li></ul>