short TI inversion recovery


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short TI in·ver·sion re·cov·er·y (STIR),

an inversion recovery sequence that uses a short inversion time, about 100 milliseconds between 180° pulses; by proper selection of TI, the signal from water or fat can be suppressed.

short TI inversion recovery

An MRI term for a specialised application of the inversion recovery pulse sequence which sets the inversion time (TI) of the sequence at 0.69 times the T1 of fat, thereby suppressing the fat in the image.