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.

The results of blood pressure, heart rate and ECG changes during maximal bicycle exercise test in 223 healthy school children are reported.

But if diminutive of dubiety of coronary heart disease moves electrocardiogram test result is positive, the possibility with its electropositive holiday is larger.