In this episode of “Lab Medicine Rounds,” host Justin Kreuter, M.D., speaks with Allan Jaffe, M.D., a consultant in the Department of Laboratory Medicine and Pathology at Mayo Clinic, about cardiac troponins and checkpoint inhibitors. Dr. Jaffe is also the Wayne and Kathryn Preisel Professor of Cardiovascular Disease Research, professor of laboratory medicine and pathology, and professor of medicine in the Mayo Clinic College of Medicine and Science.  Discussion includes: 00:47 Introductory background on checkpoint inhibitors and cardiac troponins. 15:12  Challenges with recognizing immune checkpoint inhibitor-associated myocarditis.19:28  Key takeaways for how laboratory professionals can support these patients. 19:28 Considerations of questions that are top of mind when tackling these issues.