Tahara Bhate's new QI corner Quick Hits series, Hans Rosenberg & Michael Gottlieb on the evidence around ED diagnosis and management of skin abscesses using PoCUS, Anand Swaminathan on what the oxygen saturation monitor can tell you besides oxygen saturation, Sarah Reid on how to pick up infantile spasms and prevent poor neurologic outcomes, Elisha Targonsky on battle of the ED rate control medications for rapid atrial fibrillation...