myocardial retention of tracer detected externally with gamma scintillation probes after 20 min of constant [ 18f ] fm infusion followed by 20 min of washout with nonradioactive buffer was 41 +/- 7 % and 46 +/- 8 % of peak activity in hearts subjected to ischemia or hypoxia , respectively , and significantly higher than in hearts subjected to either control perfusion or to ischemia followed by reperfusion ( 18 +/- 6 and 16 +/- 5 % of peak activity , respectively , p less than 0.01 ) .
C0027061
myocardial
C0018787
hearts