Contributions Shelley A. Hall, MD SCAI SHOCK Stages Classification Expert Consensus Update: A Review and Incorporation of Validation Studies Shelley A. Hall, MD SCAI Expert Consensus Statement on the Classification of Cardiogenic Shock Shelley A. Hall, MD A Quality Framework for the Role of Invasive, Non‐Interventional Cardiologists in the Present‐Day Cardiac Catheterization Laboratory: A Multidisciplinary SCAI/HFSA Expert Consensus Statement