De Winter's T Waves Concerning for proximal LAD occlusion (Present in 2% of patients) • Upsloping ST-Depression at J Point in leads V1-V4 without STE • Tall, Symmetric T-Wave in leads V1-V4 • STE in lead aVR ± aVL #DeWinters #TWaves #EKG #ECG #diagnosis #cardiology #electrocardiogram