{"id":"https://openalex.org/keywords/e-e-ratio","display_name":"E/e' ratio","description":"The E/e\u2032 ratio is an echocardiographic measure comparing early mitral inflow velocity with early diastolic mitral annular velocity to assess left ventricular filling pressure.","display_name_alternatives":["E/e prime ratio","mitral E/e\u2032 ratio","e em ratio","E/e\u2032","E/e\u2032 ratio","E to e prime ratio","mitral E/e' ratio"],"ids":{"openalex":"https://openalex.org/keywords/e-e-ratio","wikidata":null},"primary_topic":{"id":"https://openalex.org/T10821","display_name":"Cardiovascular Function and Risk Factors","score":0.4516,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10821","display_name":"Cardiovascular Function and Risk Factors","score":0.4516,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"works_count":6617,"cited_by_count":84338,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/e-e-ratio","updated_date":"2026-10-25T04:06:18","created_date":"2026-09-30T00:00:00"}