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Tolerance levels used in the Periodic Image Quality Test (PIQT) tests that monitor slice profile
| Imaging sequence | FWHM (mm) | Slice integral (mm) |
|---|---|---|
| MS‐MESE | Echo 1: 4.65–5.15 | Echo 1: 4.85–5.35 |
| Echo 2: 4.45–4.95 | Echo 2: 4.65–5.15 | |
| MS‐FFE | 4.75–5.25 | 4.90–5.40 |
Abbreviations: FWHM, full width at half maximum; MS‐FFE, multi‐slice fast field‐echo; MS‐MESE, multi‐slice multi‐echo spin‐echo.
