Over the past 30 years point-of-care ultrasound has been influencing patient outcomes in critical care environments by finessing patient assessment and optimising management. The newer generation ultrasounds are smaller and more portable, and as a result are joining physicians in the prehospital arena. Are they making a difference though? In the high-stakes environment of mass casualty events, ultrasound may provide the upper hand to clinicians by enhancing diagnostic accuracy, optimising resource utilisation and guiding crucial procedures towards those who need it most. For more head to: codachange.org/podcasts