Rubidium-82 has a long story, starting in 1954. ... Pooled patient-based sensitivity and specificity were, respectively, 0.91 and 0.90. By comparison with (99m)Tc-SPECT, (82)Rb PET had a much better diagnostic accuracy, especially in obese patients with body mass index ≥30 kg/m(2) (85 versus 67% with SPECT) and in women with …