There are multiple definitions:

1. Mortality in Emergency Department Sepsis [scoring system](English)

   • APACHE, ED, PIRO
   • Emergency medicine, Sepsis, Scoring systems/scales, Critical Care
   • https://doi.org…crc.2011.08.013

2. Medical Event Data Standard(English)

   • a lightweight schema for enabling machine learning over electronic health record data
   • EHR, ML
   • Electronic health record, Standards, Machine learning
   • https://doi.org…056/AIra2501253