Modeling Clinical Concern Trajectories in Language Model Agents
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arXiv
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| Format: | Preprint |
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2026
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| author | Subaharan, Sukesh VS, Venkatesan P, Murugadasan D, Sivakumar N, Gautham M, Ganeshkumar |
| author_facet | Subaharan, Sukesh VS, Venkatesan P, Murugadasan D, Sivakumar N, Gautham M, Ganeshkumar |
| contents | Large language model (LLM) agents deployed in clinical settings often exhibit abrupt, threshold-driven behavior, offering little visibility into accumulating risk prior to escalation. In real-world care, however, clinicians act on gradually rising concern rather than instantaneous triggers. We study whether explicit state dynamics can expose such pre-escalation signals without delegating clinical authority to the agent. We introduce a lightweight agent architecture in which a memoryless clinical risk encoder is integrated over time using first- and second-order dynamics to produce a continuous escalation pressure signal. Across synthetic ward scenarios, stateless agents exhibit sharp escalation cliffs, while second-order dynamics produce smooth, anticipatory concern trajectories despite similar escalation timing. These trajectories surface sustained unease prior to escalation, enabling human-in-the-loop monitoring and more informed intervention. Our results suggest that explicit state dynamics can make LLM agents more clinically legible by revealing how long concern has been rising, not just when thresholds are crossed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_27872 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Modeling Clinical Concern Trajectories in Language Model Agents Subaharan, Sukesh VS, Venkatesan P, Murugadasan D, Sivakumar N, Gautham M, Ganeshkumar Artificial Intelligence 68T01 Large language model (LLM) agents deployed in clinical settings often exhibit abrupt, threshold-driven behavior, offering little visibility into accumulating risk prior to escalation. In real-world care, however, clinicians act on gradually rising concern rather than instantaneous triggers. We study whether explicit state dynamics can expose such pre-escalation signals without delegating clinical authority to the agent. We introduce a lightweight agent architecture in which a memoryless clinical risk encoder is integrated over time using first- and second-order dynamics to produce a continuous escalation pressure signal. Across synthetic ward scenarios, stateless agents exhibit sharp escalation cliffs, while second-order dynamics produce smooth, anticipatory concern trajectories despite similar escalation timing. These trajectories surface sustained unease prior to escalation, enabling human-in-the-loop monitoring and more informed intervention. Our results suggest that explicit state dynamics can make LLM agents more clinically legible by revealing how long concern has been rising, not just when thresholds are crossed. |
| title | Modeling Clinical Concern Trajectories in Language Model Agents |
| topic | Artificial Intelligence 68T01 |
| url | https://arxiv.org/abs/2604.27872 |