Signa® HDi 1.5T

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Advanced Neuro Applications


PROPELLER HD PROPELLER HD
    

PROPELLER HD corrects for patient motion and enhances tissue contrast without compromising image resolution or prolonging scan time – helping clearly visualize even small or subtle lesions also in uncooperative patients or difficult to image anatomy 		 
     
BrainWave RT BrainWave RT
   BrainWave PA BrainWave PA

BrainWave RT is a powerful real-time fMRI data acquisition package, including EPI sequence with synchronized paradigm delivery and integrated quality control. The BOLD activation data is displayed in real time with the image quality indicators. Intuitive user interface enables a single technologist to manage the acquisition, paradigm delivery and reconstruction process. 		 
BrainWave PA is a post-processing package for fMRI datasets acquired with BrainWave RT. Raw data can be reviewed, edited and visualized as activation maps co-registered with high-resolution 3D anatomic data set.
     
FiberTrak FiberTrak
   Diffusion Tensor Imaging Diffusion Tensor Imaging

The FiberTrak option adds 2D color FA maps, 2D color eigenvector maps, and 3D tractography, a white matter fibers trajectories projection coregistered with high definition 3D anatomis data set capabilities to the standard Functool DTI. 		 
DW EPI Tensor or DTI is a technique used in brain neuro applications for white matter tract visualizations. Post-processing tools such as Functool and FiberTrak (optional) can be applied to the DTI data set to visualize fractional anisotropy maps, eigenvectors and 3D tractography.
   
PROBE-PRESS Spectroscopy PROBE-PRESS Spectroscopy   PROBE-STEAM Spectroscopy PROBE-STEAM Spectroscopy

PROBE - PRESS single voxel spectroscopy allows non-invasive evaluation of the relative concentrations of in-vivo metabolites. Volume-localized, water-suppressed H1 spectra are acquired and displayed in a single-voxel mode. The package includes acquisition set-up, graphic prescription of spectroscopic volumes and automatic reconstruction. 		 
PROBE - STimulated Echo Acquisition Mode acquires a stimulated echo from the localized volume, providing more accurate voxel localization. Since echo times available with STEAM CSI can be shorter, it is better suited than PRESS for chemical species that have shorter T2.
   
PROBE-2D CSI PROBE-2D CSI   PROBE-3D CSI PROBE-3D CSI

This application extends the PROBE-PRESS capabilities with simultaneous multi-voxel in-plane acquisitions. Post- processing, including the generation of metabolite maps, is automatically generated with the FuncTool Performance package. 		 
PROBE-3D CSI adds 3D multi-voxel acquisitions, extending the capabilities of PROBE-2D CSI. (PROBE 2D CSI is mandatory).


Advanced Body, Breast & MSK Applications


VIBRANT-XV Vibrant-XV
   StarMap StarMap

VIBRANT-XV acquires simultaneous high definition fat-suppressed bilateral breast images in axial or sagittal planes. VIBRANT XV deploys the GE-exclusive GEM acceleration technique to acquire high resolution fast. VIBRANT-XV automatically optimizes scan parameters, helping your technologists to generate consistent image quality. 		 
StarMap generates grayscale and color maps that show the T2* or rate of signal decay (R2*), helping assess iron concentration in the liver and myocardial tissue.
     
PROSE PROSE
   CartiGram CartiGram

The PROSE Prostate package brings 3D Spectroscopy to the prostate adding high resolution Spectroscopy to the imaging capabilities already available on Signa systems. 		 
CartiGram is a non-invasive imaging technique, that provides high resolution T2 value maps of cartilage and other tissues. The color coded T2 maps help assess articular cartilage integrity, providing the information needed to determine the best course of treatment.


Advanced Cardiovascular Applications


Inhance Inhance
   TRICKS XV TRICKS-XV

The new GE suite of NCE MRA applications is robust, fast and easy to use. Inhance Inflow IR, Inhance 3D Velocity and Inhance 2D Inflow sequences deliver consistent, reproducible MRA data even in difficult-to-scan anatomies, resulting in few rescans and confident differential diagnoses. 		 
TRICKS XV uses an innovative time resolved k-space filling, sophisticated data reconstruction and parallel acceleration techniques to allow increased temporal resolution without sacrificing SNR or spatial resolution. TRICKS does not require test injections of contrast or triggering. The acquired data includes multiphase images of the entire arterial and venous filling, providing high resolution information about flow dynamics and allowing reliable arterial-venous separation.
     
MR Echo MR Echo
   2D FIESTA 2D FIESTA

MR Echo provides an environment and tools for generating high-definition cardiac exams in real time without the need for respiratory or ECG gating. MR Echo employs accelerated FIESTA, time course or myocardial delayed enhancement techniques to perform cardiac exam in real time, in a non-gated or VCG-gated modi. The intuitive interface enables the user to quickly scan the heart in any orientation and to save real time images. 		 
The FIESTA 2D pulse sequence provides excellent blood to myocardium contrast optimized for cardiac imaging. The short TR/TE capability of this sequence allows acquisition of high quality cardiac images that are less sensitive to turbulent blood flow.
     
3D FIESTA 3D FIESTA
   3D FIESTA-C 3D FIESTA-C
The FIESTA 3D pulse sequence generates excellent high-resolution images of fluid filled structures. Ultra Short TR's and TE's allow rapid 3D imaging within very short scan times with outstanding T2 weighted image contrast.   This phase-cycled FIESTA technique reduces sensitivity to changes in magnetic susceptibility that may be encountered when imaging e.g. posterior fossa and anatomies near air-tissue boundaries. Extremely short TR helps generate high-resolution SNR-rich 3D images of fluid filled structures with effective background tissue suppression, in rapid scan times.
     
3D FatSat FIESTA 3D FatSat FIESTA
   3D FatSat FIESTA Cardiac 3D FatSat FIESTA Cardiac
3D FatSat FIESTA provides robust coronary artery imaging in a short breath-hold. Fat suppression is applied to accentuate the coronary arteries.   Free breathing acquisition with navigator echo technique.
     
FGRE-ET FGRE-ET
   FGRE-ET Real Time FGRE-ET Real Time
The Fast Gradient Echo-Echo Train pulse sequence provides dynamic high temporal and spatial resolution images of the myocardium that are ideally suited for the evaluation of myocardium.   FGRE-ET uses a short TR GRE pulse sequence that acquires multiple phase steps per TR using an EPI echo train. FGRE-ET RT is a single slice real time version used to obtain localizer images for cardiac imaging.
     
Fluoro-Triggered MRA Fluoro-Triggered MRA
   Myocardial Delayed Enhancement Myocardial Delayed Enhancement
Fluoro-triggered MRA (FTMRA) is designed to capture angiographic images at the precise moment of peak opacification. Rather than automating the image-acquisition upon detection of the bolus arrival, FTMRA allows the operator to trigger each acquisition almost instantly (less than 1 second switch over), as soon as the operator is satisfied with the level of vessel enhancement. The result is an interactive, ASSET compatible, accurate approach to contrast-enhanced MRA.   MDE is a FGRE technique with IR Prep used to assess myocardial tissue viability. Adiabatic inversion recovery for homogenous myocardium suppression is employed to improve CNR between infarcted and normal myocardium.
2D Myocardial Delayed Enhancement 3D Myocardial Delayed Enhancement
     
Cardiac Tagging Cardiac Tagging
   3D Cardiac Navigator 3D Cardiac Navigator
Used to improve visualization of contractile function, this tagging application combines cardiac-gated FastCINE gradient-recalled echo to acquire data throughout the cardiac cycle, with spatial SAT pulses applied throughout the FOV. Using the operator's choice of diagonal stripes or a grid pattern, tagging is applied once per R-R interval immediately following the R-wave ECG trigger, just before the start of data acquisition.   The Cardiac Navigator feature combines a cardiac gated, 3D Fast GRE or 3D FIESTA sequence with a navigator pulse that tracks the motion of the diaphragm. By placing the navigator tracker pulse over the right hemi-diaphragm, the acquisition is synchronized to the end-expiration respiratory phase of the patient thus minimizing respiratory ghosting artifacts.
     
Spiral Hi-Res & Real-Time Spiral Hi-Res & Real-Time
    
Spiral Hi-Res obtains high-resolution images in ultra-fast scan times. This sequence is well suited for obtaining images of the coronary arteries. Spiral Hi-Res acquisitions can be performed in a cardiac gated or non-gated method using a Spiral GRE or SPGR sequence.
Spiral Hi-Res

Spiral Real-Time can be used for the quick localization of anatomy lying in double-oblique planes and in areas where motion can be a problem, such as the coronary arteries.
Spiral Real-Time