it was evidenced by the following findings : in all the papillary muscles prepared 3 hours after burn and in 50 % of the preparations taken one hour after the injury the `` '' biphasic '' '' dependence frequency power ( f-p ) peculiar to healthy myocardium changed to `` '' monophasic '' '' one ( contraction amplitude progressively decreased on the frequency growing ) , and poststimulating potentiation , absent in the normal myocardium state , appeared .
C0030352
papillary muscles
C0027061
myocar