Conversation: The conversation between human and AI assistant.
[|Human|] I am training to join the Marines and a few hours ago i ran 3 miles, my heart rate is still very high, im very uncomfortable, my chest hurts right in the center, and i have verdigo. I am not sure what to do, im 19 years old, 180 pounds and very athletic.
[|AI|]  Hello and thank you for using Chat Doctor. I carefully read your question and I totally understand your concern. But I think you should not work. I will try to explain you something and give you some tips. It is quite normal during exercise to have high cardiac frequency. For your age we expect that your maximal heart rate might be till 201 beats for minute. Normal, after exercise we expect your frequency to go down slowly. When your heart beats to fast it is normal to feel a little uncomfortable and even to experience a chest discomfort. You are to young to thing of other possibility of your chest pain. Sometimes excessive exertion may be the cause of fatigue or this kind of vertigo. If you experience a high cardiac rate during a normal day than we can think of some examinations. If I was your treating doctor I will recommend a blood analyze, electrocardiogram and an echocardiography. It is advisable a holder monitoring to see that really happens with your rhythm. I will advise you to do this simple examination to continue your journey to the marine. Just for reassurance because it may be only a little stress cousin all these. All sow avoid coffee or coffin products because the rise your heart frequency. Hope I was helpful. Wish you good health and good luck in your future