to evaluate the potential advantages of thallium-201 ( 201t1 ) single-photon emission computerized tomography ( spect ) to assess myocardial infarct size in the experimental animal , six normal dogs and 14 dogs with 6 to 8 hr closed-chest coronary occlusion ( eight left anterior descending and six left circumflex ) were studied .
C0027051
myocardial infarct
C0817096
chest