The direction that I can suggest implies the detection of the symptoms of schizophrenia while analyzing the speech of a person and the corresponding transcription. I've made some investigation about this issue, namely, the usage of coherence estimation models and other NLP techniques in order to predict some symptoms of mental illness: Preprint Evaluating text coherence based on the graph of the consiste...
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If you'll have some questions about this direction I can provide you with additional materials. According to the medical emergency, I think that some chat-bot can be used in order to analyze the speech of a person during panic attacks. It can help the person to calm down and provide him with some advice. At the same time, this chat-bot will provide clinicians with information about this person (some summary with the estimation of the level of deviation from its thoughts, sentiment analysis, etc.).