Sometimes my pulse goes up to 210 when i run. i exercise 6 hours every week and i am not overweight. my max pulse is currently 183.

Need monitor: At 44 yo, maximum heart rate is estimated at 176. If heart rate goes significantly higher than that (190 +) there may be other rhythms occuring, including atrial fibrillation, svt, or ventricular arrhythmias. The only way to tell these apart is with a monitor (holter or event recorder) the higher detected heart rate may be due to artifact in the counting, too.