down-up T-waves precordialSTDmaxV1-4Unstable angina with 100% Occlusion3 Min Read Steve SmithonMay 6, 2016 Abnormal ST-T in V1-V3. What is it? Many interesting and informative twists to this case. A middle-aged woman with a history of CAD and stents, but also a history of several subsequent visits for non-cardiac chest pain, called 911…