Changes in recommendations - Exercise test
2014 Guideline			2020 Guideline
Low-risk patients (clinical and electrocardiogram [ECG]) with normal biochemical markers should be referred for exercise testing (ET) after 9 h of observation, ideally by 12 h, on an outpatient basis.	I	B	Low-risk patients (clinical and electrocardiogram [ECG]) with normal biomarkers should be referred for ET after 9 to 12 h of observation. These exams can be performed the in chest pain unit as a discharge criterion.	I	B