<s>[INST] My heart rate increasesfrom 85 resting to 125 if i simply walk  I feel tired and im on blood pressure meds I only get little sleep i have a newborn im overweight all of this started after baby was born. I had a EKG nothing wrong so what else could it be? Its making me anxious [/INST] Hello, I have gone through your query. Thanks for using Chat Doctor. Under normal circumstances also there is increase in heart rate on walk. But in your case it is little more. As you had delivery in recent past it is possible that you have low hemoglobin which responsible for this. So please check your hemoglobin, weight gain may also be responsible for this. You need to check to control your anxiety as well. I suggest you to add low dose beta blocker to your regular BP medicine which will take care of this heart rate, My best wishes Chat Doctor.  </s>