TABLE 3

H:M and Washout Rates for Optimistic and Pessimistic Approaches to Region-of-Interest Placement

ParameterWhole heart/upper mediastinumWhole heart/lower mediastinumRegional heart/upper mediastinumRegional heart/lower mediastinum
Early H:M2.151.662.652.05
Delayed H:M2.211.652.551.90
Heart Washout34.2%34.2%38.3%38.3%
  • Tabulated data show some variability; however, best and worst cases are consistent with low-risk H:M and abnormal washout.