Send us Fan Mail Ninja Nerds! In this episode of the Ninja Nerd Podcast, Zach and Rob break down upper respiratory tract infections using a simple, case-based approach that always starts the same way: decide if the patient is unstable. We define instability as the presence of bedside red flags such as stridor, hypoxia, drooling, tripod positioning, muffled voice, trismus, severe neck swelling, or hemodynamic instability. If any are present, airway management takes priority and imaging waits. ...