AI RESEARCH
Echo-{\alpha}: Large Agentic Multimodal Reasoning Model for Ultrasound Interpretation
arXiv CS.CV
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ArXi:2604.28011v1 Announce Type: new Ultrasound interpretation requires both precise lesion localization and holistic clinical reasoning, yet existing methods typically excel at only one of these capabilities: specialized detectors offer strong localization but limited reasoning, whereas multimodal large language models (MLLMs) provide flexible reasoning but weak grounding in specialized medical domains. We present Echo-{\alpha}, an agentic multimodal reasoning model for ultrasound interpretation that unifies these strengths within an invoke-and-reason framework.