Tests taken at the combine revealed Sweat might have hypertrophic cardiomyopathy, which results in thickening of the heart walls, as doctors in Indianapolis measured nearly two centimeters of thickness, according to Rapoport. Sweat has since met with several experts, who concluded that doctors at the combine accidentally included capillary muscle in their testing and that Sweat's actual measurement is about 1.5 centimeters, Rapoport added.