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Utility of metabolic exercise testing in distinguishing hypertrophic cardiomyopathy from physiologic left ventricular hypertrophy in athletes

^a St. George’s Hospital Medical School, London, United Kingdom
^* University of Wolverhampton, Walsall Campus, Walsall, United Kingdom

View larger version (14K): [in a new window]   Figure 1 Box plot showing the distribution of pVO2 values in elite athletes with and without LVH, recreational athletes and individuals with HCM. The horizontal bars (in ascending order) represent the 10th, 25th, 50th, 75th, and 90th percentiles. The round circles below and above the bars represent the number of points below the 10th and 90th percentile, respectively, in each group. HCM = hypertrophic cardiomyopathy; LVH = left ventricular hypertrophy; pVO2 = peak oxygen consumption.

View larger version (10K): [in a new window]   Figure 2 Oxygen pulse profiles in an athlete with LVH (athlete 5) and an individual with HCM (patient 7). HCM = hypertrophic cardiomyopathy; LVH = left ventricular hypertrophy; O2 = oxygen.