I have been training for a half marathon and during a long run (12.1 miles) I experienced a couple of heart palpitations. They lasted a split second and happened a long time apart from one another. I jogged/walked the distance in a bit more than 2.5 hours. I did not have any palpitations during my previous long runs, and I haven't had any since. I have great cholesterol and don't smoke. What happened to cause this? Should I be concerned? What should I do?
I read that "Many patients experience PVCs or palpitations before and after exercise, but not during exercise." This is a quote off:http://www.uihealthcare.com/topics/medicaldepartments/internalmedicine/heartpalpitations/index.html
Maybe the palpitations during exercise are in your head, it's normal for your heart rate to go up when you are exercising, but if other things happen during exercise, maybe you should ask a doctor.
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