© Yale-G First Aid (6th Edition) YALE-G FIRST AID: CRUSH USMLE STEP 2 CK AND Step 3 (Sixth Edition) YALE GONG, MD, MS Assistant Professor of Neurology Uniformed Services University of the Health Sciences Bethesda, Maryland © Yale-G First Aid (6th Edition) Reviewers Magdalini Tsintou, MD Neurologist and Faculty Massachusetts General Hospital Harvard Medical School Boston, Massachusetts Matthew A. Warner, MD Anesthesiologist and Faculty Mayo Medical School & Mayo Clinic Rochester, Minnesota Acknowledgments