I'm glad you're getting checked out, and I'll second the recommendation of using the 24hr monitoring device. The one I've seen used has EKG leeds and a HR monitor on it, and anytime you feel symptoms, you push a little button so the doctors can focus in on that time period. It's called a Holter monitor, and I'm sure the cardiologist will have used them before. Just make sure you can use the monitor on a day where you can go out and do a hard ride.
Let us know what happens!



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