An emergency medical treatment system is provided that can be used in connection with providing prehospital medical treatment to a patient. The system includes a patient data display device programmed to receive and display data associated with the patient; an environmental assessment device configured to capture visual, aural, or other ambient environmental data associated with an emergency treatment site associated with the patient; a patient monitoring device configured to be positioned on the patient and having multiple sensors programmed to collect physiological data or vitals data associated with the patient; and a patient data processing device configured with a speech-to-text module. Rules-based or machine learning based algorithm modules can be provided for generating alerts or making treatment option recommendations in connection with the patient data collected and displayed on the patient display device.