TABLE 2.

Semiquantitative Visual Scoring of 99mTc-Pyrophosphate Uptake in Myocardium Versus Ribs

GradeDescription
0No myocardial uptake and normal bone uptake
1Myocardial uptake less than rib uptake
2Myocardial uptake equal to rib uptake
3Myocardial uptake greater than rib uptake, with mild or absent rib uptake