. . . "While it may begin with cramping in the arms or legs, it often is an indicator of risks from a very serious disease existing in other parts of the body, such as the heart, abdomen and brain, according to Washington Hospital cardiologist Ash Jain, M.D., and Washington Hospital vascular surgeon John Thomas Mehigan, M.D.When these factors begin affecting the heart, abdomen and brain, patients then h" . .