In this month's EM Quick Hits podcast: Zafar Qasim & Andrew Petrosoniak on whole blood transfusion in trauma, Justin Morgenstern on calcium pre-treatment to prevent diltiazem-induced hypotension, Kiran Rikhraj on dynamic LV outflow tract obstruction, Anand Swaminathan on resuscitative thoracotomy, Andrew Tagg on uterine casts, and Jesse McLaren on scale & proportionality in occlusion MI ECG interpretation. **Please support EM Cases to continue to be free open access by making a donation: https://stg-emergencymedicinecases-emcstaging.kinsta.cloud/donation/