Table 4.

OS-ADS method. Deviations in segments containing the perfusion defect for all eight scenarios

Scenario	Deviation (%)
	Inferior basal		Septal basal
	Small FOV	Extended by 1 FWHM	Small FOV	Extended by 1 FWHM
Normal	22	1.3	15	0.91
Large thorax	45	2.5	21	−0.52
Large heart	18	−2.1	9.6	−0.28
Axial heart shift	34	−0.78	18	1.1
Large thorax and large heart	42	1.5	24	−1.9
Large thorax and axial heart shift	47	2.2	25	0.87
Large heart and axial heart shift	36	1.4	22	1.6
Large thorax and large heart and axial heart shift	49	1.8	23	1.4