It's a tough problem. The elevated systolic pressure can be followed for a short period. Does he lift weights? Systolic pressure elevations are seen in weight lifters.
Although the most chest pain
in adolescents is not related to heart problems, a few are. He needs to be checked out by a concerned physician, and possibly referred for a stress test
and an echo to rule out things like a prolapsed mitral valve or hyperplastic left ventricle.