Peripheral Runoff Noncontrast 1.5T
GE Healthcare – Non-Contrast MR Protocols
Instructions And Patient Preparation
- Instructions
- • Peripheral gating
• GRx slices INFERIOR to SUPERIOR - Common Indication
- Peripheral arterial disease (PAD) if contraindications for contrast
- Position
- Supine
- Coil
- GEMS Peripheral Vascular (PV) Array with Anterior Array and Posterior Array
- Landmark
- Center of AA coil
Imaging Parameters
| Scan Description | 3PL LOCALIZER SSFSE x3 Abdomen-Pelvis, Thighs Lower Legs |
SAGITTAL LOCALIZER SSFP Symphysis to above Kidney, Pelvis, Abdomen |
AXIAL Arterial Inhance-2DIF Calf – LOW Thigh |
AXIAL Arterial Inhance-2DIF Thigh |
AXIAL Arterial Inhance-2DIF Pelvis |
|---|---|---|---|---|---|
| Mode | 2D | 2D | 2D | 2D | 2D |
| Pulse Sequence | SSFSE | FIESTA | AX 2D Inhance Inflow | AX 2D Inhance Inflow | AX 2D Inhance Inflow |
| Imaging Options | SEQ, FAST, SS, ARC |
SEQ, EDR, FAST, ARC |
FC, GAT, SEQ, EDR, FAST, ASSET, ZIP512 | FC, GAT, SEQ, EDR, FAST, ASSET, ZIP512 | FC, GAT, SEQ, EDR, FAST, ASSET, ZIP512 |
Scan Parameters
| Scan Description | 3PL LOCALIZER SSFSE x3 Abdomen-Pelvis, Thighs, Lower Legs |
SAGITTAL LOCALIZER SSFP Symphysis to above Kidney, Pelvis, Abdomen |
AXIAL Arterial Inhance-2DIF Calf – LOW Thigh |
AXIAL Arterial Inhance-2DIF Thigh |
AXIAL Arterial Inhance-2DIF Pelvis |
|---|---|---|---|---|---|
| TE | 80 | Min | Min | Min | Min |
| TR | Min | Def | Min-Full | Min-Full | Min-Full |
| Flip Angle | — | — | 70 | 70 | 70 |
| Bandwidth | 83 | 125 | 31 | 31 | 31 |
| SAT | — | — | S | S | S |
Acquisition Parameters
| Scan Description | 3PL LOCALIZER SSFSE x3 Abdomen-Pelvis, Thighs, Lower Legs |
SAGITTAL LOCALIZER SSFP Symphysis to above Kidney, Pelvis, Abdomen |
Arterial Inhance-2DIF Calf – LOW Thigh |
Arterial Inhance-2DIF Thigh |
Arterial Inhance-2DIF Pelvis |
|---|---|---|---|---|---|
| MATRIX freq | 384 | 256 | 256 | 256 | 256 |
| MATRIX phase | 160 | 192 | 192 | 192 | 192 |
| NEX | Def | 1 | 1 | 1 | 1 |
| Phase FOV | 1 | 1 | 0.5 | 0.5 | 0.6 |
| Freq Direction | Unswapped | S/I | R/L | R/L | R/L |
| Adv CV | Ph 2 | Ph2 | Optional Sat 1 | Optional Sat 1 | Optional Sat 1 |
| Other | 0, 240, 0 | — | Superior Sat Collapsed On 19 imgs Gating Scr TR Win 10 Trig Del Min VPS 32 |
Superior Sat Collapsed On 19 imgs Gating Scr TR Win 10 Trig Del Min VPS 32 |
Superior Sat Collapsed On 19 imgs Gating Scr TR Win 10 Trig Del Min VPS 32 |
Scanning Range
| Scan Description | 3PL LOCALIZER SSFSE x3 Abdomen-Pelvis, Thighs, Lower Legs |
SAGITTAL LOCALIZER SSFP Symphysis to above Kidney, Pelvis, Abdomen |
Arterial Inhance-2DIF Calf – LOW Thigh |
Arterial Inhance-2DIF Thigh |
Arterial Inhance-2DIF Pelvis |
|---|---|---|---|---|---|
| FOV | 48 | 40 | 34 | 36 | 36 |
| Slice Thickness | 8 | 10 | 3 | 4 | 4 |
| Spacing | 0 | 0 | .5 mm Overlap | .5 mm Overlap | .5 mm Overlap |
| Number of Slices | 21 Slices | — | @173 Slices | @153 Slices | @100 Slices |
| Approx. Scan Time | ± 1 min each | 20 sec per BH | ± 7:00-8:00 | ± 7:00-8:00 | ± 7:00-8:00 |