Figure 7

Raw time-signal intensity curves for dual-bolus first-pass perfusion MR imaging of LV blood pool are illustrated for the following each condition: (A: 3.0T, Gd-DO3-butrol, 0.025 mmol/kg, TFE, Philips, Stress, B: 3.0T, Gd-DO3-butrol, 0.075 mmol/kg, k-t TFE, Philips, rest, C: 3.0T, Gd-DO3-butrol, 0.1 mmol/kg, k-t TFE, Philips, rest, D: 1.5T, Gd-DO3-butrol, 0.075 mmol/kg, k-t b-TFE, Philips, rest, E: 1.5T, Gd-DO3-butrol, 0.1 mmol/kg, b-TFE, Philips, rest, F: 1.5T, Gd-DO3-butrol, 0.1 mmol/kg, b-TFE, Philips, stress, G: 1.5T, Gd-DO3-butrol, 0.075 mmol/kg, TFE, Philips, rest, H:1.5T, Gd-DO3-butrol, 0.1 mmol/kg, k-t b-TFE, Philips, rest, I: 1.5T, Gd-DO3-butrol, 0.1 mmol/kg, k-t b-TFE, Philips, stress, J: 1.5T, Gd-DO3-butrol, 0.05 mmol/kg, TurboFLASH, SIEMENS, rest, K: 1.5T, Gd-DO3-butrol, 0.1 mmol/kg, k-t b-TFE, Philips, rest, L: 1.5T, Gd-DO3-butrol, 0.1 mmol/kg, k-t b-TFE, Philips, stress, M: 1.5T, Gd-DO3-butrol, 0.075 mmol/kg, TurboFLASH, SIEMENS, rest, N: 1.5T, Gd-DO3-butrol, 0.075 mmol/kg, k-t b-TFE, TFE, Philips, rest, O: 1.5T, Gd-DO3-butrol, 0.075 mmol/kg, k-t b-TFE, TFE, Philips, stress, P: 1.5T, Gd-DO3-butrol, 0.025 mmol/kg, TFE, Philips, rest, Q: 1.5T, Gd-DOTA, 0.1 mmol/kg, b-TFE, Philips, stress, R: 1.5T, Gd-DTPA, 0.05 mmol/kg, b-TFE, Philips, stress (magnetic field strength, kind of gadolinium CA, dose of gadolinium CA, sequence, manufacturer and rest or stress, respectively)). Two peaks were cascaded to produce a continuous time-signal intensity plot: a lower peak after 10%-dilute contrast administration, followed by a higher peak after neat contrast administration. Figure 5E and 5F, 5H and 5I, 5K and 5L and 5N and 5O are the signal-intensity curves for rest and stress perfusion obtained in the same session. These graphs show that this dual-bolus approach has a good reproducibility in the same CMR session for rest and stress perfusion.