Speculation: All I can offer is speculation. I suspect your high heart rate and difficulty with concentration were direct consequences of your severe headache. The trigger for a migraine can be random for some but predictable for others. Does exercise usually trigger them for you? Monthly hormonal influence, stress, sleep habits, diet and other things may have contributed. The stress test may be coincidence.
Answered 9/12/2014
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4 doctors weighed in across 2 answers
A doctor has provided 1 answer
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