In the April 2023 episode of Critical Decisions in Emergency Medicine, Drs. Danya Khoujah and Wendy Chang discuss illnesses of bioterrorism as well as upper GI bleeds. As always, you’ll hear about the hot topics covered in CDEM’s regular features, including posterior auricular mass in Clinical Pediatrics, flexor tenosynovitis of the thumb in Critical Cases in Orthopedics and Trauma, dorsal penile nerve block in The Critical Procedure, buprenorphine for opioid withdrawal in The LLSA Literature Review, and chest trauma in older patients in The Critical Image.