Fig. 1From: Applying openEHR’s Guideline Definition Language to the SITS international stroke treatment registry: a European retrospective observational studyA GDL Rule. A GDL rule as presented within the free and open-sourced tool GDL Editor. Here exceeding a blood pressure threshold contraindicates thrombolysis treatment. The blue parts constitute data elements coming from reusable clinical content models in the form of archetypesBack to article page