> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.emtelligent.com/nlp/database/cookbook/relation-queries/measurement/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.emtelligent.com/_mcp/server.

# Measurement Relations

## Docs

- [Left Ventricular Ejection Fraction](https://docs.emtelligent.com/nlp/database/cookbook/relation-queries/measurement/ejection-fraction.md)