TABLE 1

Comparison of First-Pass Myocardial Extraction Fractions of Various 99mTc-Labeled Agents and 201Tl

Agent% Extraction fraction
201Tl82–88
99mTc-Sestamibi55–68
99mTc-Tetrofosmin54
99mTc-Teboroxime>90
99mTc-NOET75–85