with use of n-13 ( nitrogen-13 ) ammonia and f-18 ( fluorine-18 ) deoxyglucose as tracers of blood flow and exogenous glucose utilization and positron emission tomography , hypoperfused areas were noted at rest and during exercise in all 11 patients ( 100 % ) with q wave infarction .
C0022116
hypoperfused
C0021308
infarction