Home Learn OCT Key Concepts How To Perform OCT Image Interpretation Cases Take Quiz More... Ask The Experts Recommended Reading HomeOCTAID HomeOCTAID Image InterpretationCalcific Nodule Single or multiple regions of calcium (asterisk) protruding into the intracoronary lumen forming sharp angles. Ask the Experts Ask the Experts We are ready to help you. ask now Take Quiz Take Quiz Know about OCT? Test your knowledge. try it now Meet the Team Meet the Team Read about the team behind the apps. learn more Contact Us Contact Us Reach out to us with general comments or questions. connect now