Hello, my resting heart rate has been in the high 90s and up to 105, now it is up to 115 with just walking around. I am 58 and my normal HR is about 72. I am unable to do any activity out side even with the cooler weather 85 degrees. the house is mid 70s
Hello! Welcome and thank you for asking on Chat Doctor! I read your question carefully and understand your concern. I would like to explain that in your situation, a careful differential diagnosis between a metabolic disorder (like chronic anemia, thyroid or a Chat Doctor.  What are the values of your blood pressure? I recommend consulting with your GP for a careful physical exam, a resting ECG, a chest x-ray and some blood lab tests