摘要
CHICAGO-For patients admitted to an emergency department with chest pain, use of a contemporary or highly sensitive test for levels of troponin I (a protein in muscle tissue) may help ruleout a diagnosis of heart attack,
CHICAGO-For patients admitted to an emergency department with chest pain, use of a contemporary or highly sensitive test for levels of troponin I （a protein in muscle tissue） may help rule-out a diagnosis of heart attack, while changes in the measured levels of this biomarker at 3 hours after admission may be useful to confirm a diagnosis of heart attack.
