FAST sequence
Also written as: FAST — Fast Acquisition Steady-state Technique
A rapid MRI acquisition technique using gradient echo sequences to reduce motion artifacts in pediatric imaging.
Full Definition
FAST (Fast Acquisition Steady-state Technique) sequences are specialized MRI pulse sequences designed to minimize acquisition time while maintaining diagnostic image quality. In pediatric radiology, these sequences are particularly valuable for reducing motion artifacts in uncooperative or sedated children. FAST sequences use steady-state free precession techniques to provide excellent contrast resolution with short repetition times, making them ideal for cardiac imaging, angiography, and abdominal studies in the pediatric population.
Usage
Usage note: Distinguish from other rapid imaging techniques and note the specific applications in pediatrics.
In Context
- "FAST sequence imaging was employed to minimize motion artifacts during the cardiac MRI study." — MRI protocol description