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Extract medical reports & generate AI health advice with Mistral AI & GPT-4

Sridevi EdupugantiSridevi Edupuganti
490 views
2/3/2026
Google SheetsData TransformationCloud FirestoreData SyncFirestore
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Try It Out!

Use n8n to extract medical test data from diagnostic reports uploaded to Google Drive, automatically detect abnormal values, and generate personalized health advice.

How it works

  1. Upload a medical report (PDF or image) to a monitored Google Drive folder
  2. Mistral AI extracts text using OCR while preserving document structure
  3. GPT-4 parses the extracted text into structured JSON (patient info, test names, results, units, reference ranges)
  4. All test results are saved to the "All Values" sheet in Google Sheets
  5. JavaScript code compares each result against its reference range to detect abnormalities
  6. For out-of-range values, GPT-4 generates personalized dietary, lifestyle, and exercise advice based on patient age and gender
  7. Abnormal results with recommendations are saved to the "Out of Range Values" sheet

How to use

  1. Set up Google Drive folder monitoring and Google Sheets with two tabs: "All Values" and "Out of Range Values"
  2. Configure API credentials for Google Drive, Mistral AI, and OpenAI (GPT-4)
  3. Upload medical reports to your monitored folder
  4. Review extracted data and personalized health advice in Google Sheets

Requirements

  • Google Drive and Sheets with OAuth2 authentication
  • Mistral AI API key for OCR
  • OpenAI API key (GPT-4 access required) for intelligent extraction and advice generation

Need Help?

  • See the detailed Read Me file at https://drive.google.com/file/d/1Wv7dfcBLsHZlPcy1QWPYk6XSyrS3H534/view?usp=sharing
  • Join the n8n community forum for support

Extract Medical Reports & Generate AI Health Advice with Mistral AI & GPT-4

This n8n workflow automates the process of extracting medical reports from Google Drive, analyzing them with AI, and generating personalized health advice. It leverages both Mistral AI and OpenAI (GPT-4) for advanced natural language processing.

What it does

This workflow streamlines the following tasks:

  1. Triggers on new Google Drive files: Automatically starts when a new file is added to a specified Google Drive folder.
  2. Retrieves file content: Downloads the content of the newly added file from Google Drive.
  3. Conditional Processing: Includes an 'If' node, suggesting conditional logic to process files based on certain criteria (e.g., file type, name, or content).
  4. Code Execution: Executes custom JavaScript code, likely for pre-processing the medical report text or extracting specific data points.
  5. AI Analysis with Mistral AI: Sends the extracted medical report data to Mistral AI for initial analysis, potentially identifying key medical terms, conditions, or summaries.
  6. Advanced AI Health Advice with OpenAI (GPT-4): Further processes the data with OpenAI (GPT-4) to generate comprehensive and personalized health advice based on the medical report.
  7. Saves results to Google Sheets: Stores the generated health advice and potentially other extracted information into a Google Sheet for easy tracking and access.

Prerequisites/Requirements

To use this workflow, you will need:

  • n8n Account: A running instance of n8n.
  • Google Account: With access to Google Drive and Google Sheets.
    • Google Drive Credential: Configured in n8n to allow access to your Drive files.
    • Google Sheets Credential: Configured in n8n to allow writing to your Sheets.
  • Mistral AI API Key: For the Mistral AI node.
  • OpenAI API Key: For the OpenAI node (specifically for GPT-4 access).

Setup/Usage

  1. Import the workflow: Download the provided JSON and import it into your n8n instance.
  2. Configure Credentials:
    • Set up your Google Drive credential.
    • Set up your Google Sheets credential.
    • Configure your Mistral AI API key.
    • Configure your OpenAI API key.
  3. Configure Google Drive Trigger (Node 531):
    • Specify the Google Drive folder where new medical reports will be uploaded to trigger the workflow.
  4. Configure Google Drive (Node 58):
    • Ensure it's set to download the content of the triggered file.
  5. Configure If (Node 20):
    • Adjust the conditions as needed to filter or route files based on your requirements (e.g., only process PDF files, or files with "medical report" in the name).
  6. Configure Code (Node 834):
    • Review and modify the JavaScript code to correctly extract and format the necessary information from your medical reports for AI processing.
  7. Configure Mistral AI (Node 1307):
    • Select the appropriate model and define the prompt for initial analysis of the medical report.
  8. Configure OpenAI (Node 1250):
    • Select the GPT-4 model (or another suitable OpenAI model) and craft a detailed prompt to generate comprehensive health advice based on the output from Mistral AI and the original report.
  9. Configure Google Sheets (Node 18):
    • Specify the Google Sheet and sheet name where the extracted data and AI-generated advice should be written. Map the relevant fields from the AI outputs.
  10. Activate the workflow: Once configured, activate the workflow to start automating.

This workflow provides a powerful foundation for automating medical report analysis and personalized health advice generation, significantly reducing manual effort and speeding up information delivery.

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