MedPromptX: Grounded Multimodal Prompting for Chest X-ray Diagnosis

• URL: http://arxiv.org/abs/2403.15585v3
• Date: Fri, 29 Mar 2024 00:44:18 GMT
• Title: MedPromptX: Grounded Multimodal Prompting for Chest X-ray Diagnosis
• Authors: Mai A. Shaaban, Adnan Khan, Mohammad Yaqub,
• Abstract summary: Chest X-ray images are commonly used for predicting acute and chronic cardiopulmonary conditions. Efforts to integrate them with structured clinical data face challenges due to incomplete electronic health records. This paper introduces MedPromptX, the first model to integrate multimodal large language models (MLLMs), few-shot prompting (FP) and visual grounding (VG) Results demonstrate the SOTA performance of MedPromptX, achieving an 11% improvement in F1-score compared to the baselines.
• Score: 1.2903829793534272
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Chest X-ray images are commonly used for predicting acute and chronic cardiopulmonary conditions, but efforts to integrate them with structured clinical data face challenges due to incomplete electronic health records (EHR). This paper introduces MedPromptX, the first model to integrate multimodal large language models (MLLMs), few-shot prompting (FP) and visual grounding (VG) to combine imagery with EHR data for chest X-ray diagnosis. A pre-trained MLLM is utilized to complement the missing EHR information, providing a comprehensive understanding of patients' medical history. Additionally, FP reduces the necessity for extensive training of MLLMs while effectively tackling the issue of hallucination. Nevertheless, the process of determining the optimal number of few-shot examples and selecting high-quality candidates can be burdensome, yet it profoundly influences model performance. Hence, we propose a new technique that dynamically refines few-shot data for real-time adjustment to new patient scenarios. Moreover, VG aids in focusing the model's attention on relevant regions of interest in X-ray images, enhancing the identification of abnormalities. We release MedPromptX-VQA, a new in-context visual question answering dataset encompassing interleaved image and EHR data derived from MIMIC-IV and MIMIC-CXR databases. Results demonstrate the SOTA performance of MedPromptX, achieving an 11% improvement in F1-score compared to the baselines. Code and data are available at https://github.com/BioMedIA-MBZUAI/MedPromptX

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