用normal ECG造句子，“normal ECG”造句
來源：國語幫 1.68W
Background - : An abnormal ECG during maximal exercise testing has been shown to be a powerful predictor of future coronary heart disease (CHD) mortality in asymptomatic men.
Conclusion: Abnormal ECG in health persons contributes to early discover of heart disease.
The Clinical Diagnosis of Chest Pain Unknown Etiology Associated with Abnormal ECG in Middle Age and Youth
