ECG Variations in College Athletes.

Cantwell, J D; Dollar, A L · Phys Sportsmed · 1999

expert_opinion · Level V

Where this comes from

Abstract

At Georgia Institute of Technology, the sports preparticipation evaluation includes a cardiovascular questionnaire and careful examination of the heart, listening especially for systolic murmurs that intensify with Valsalva's maneuver and/or standing, which could indicate hypertrophic cardiomyopathy (1,2).