The clinical and basic research of J wave syndrome and heart rate variability is still in-depth, and the clinical application has not been popularized. There are still many controversies and arguments about its clinical significance, which are not enough to diagnose diseases.

Your condition is mainly a slightly faster heart rate, which may be caused by lack of exercise, less sleep and great pressure.

Further analysis of the disease can provide more information, such as gender, age, palpitation, fatigue, edema of lower limbs and so on. And analyze the usual life and labor situation.

You can't see any specific problems from the electrocardiogram. Keep observing, you don't need to do anything. Just change your habits back first.