Fig. (1) Clinical and laboratory manifestations of atypical hemolytic-uremic syndrome. CNS, central nervous system; GFR, glomerular filtration rate; GI, gastrointestinal; LDH, lactate dehydrogenase; PCR, polymerase chain reaction; STEC, Shiga toxin-producing Escherichia coli; ↑, increased; ↓, decreased; →, unchanged; >, greater than; <, less than.