the patients , six of whom died , derived from a general population , in contrast to the large series of patients reported in the literature in which the incidence was from 0.9 percent to 3.7 percent . ( 3-6 ) the initial symptoms-rapid respiration , periodic breathing , lethargy and irritability-were identical to those which occurred in numerous infants who had respiratory disease .
C0231835
rapid respiration
C0035204
respiratory disease