QGSTM for Function & QPS for Perfusion

The software and algorithms developed by QUAD (formerly AIM) are widely considered to represent the gold standard in nuclear cardiology. You know our software as QGSTM, AutoQUANTTM, and AutoSPECTTM—to name but a few. We have been licensing these applications to companies like GE, Philips, and Siemens for over 20 years. Now they’re available directly from us.

Cardiac Suite


Quantitative Gated + Perfusion SPECT

This application provides cardiac function and perfusion quantitation using gated and ungated MPI datasets: ED and ES volumes, ejection fraction, and perfusion measures such as SSS/SRS/SDS and TPD. The image data can be viewed in a variety of modes, from selected slices in a 2D view to a rendered 3D surface of the myocardium with parametric maps (perfusion, motion, thickening and regional EF).

QPET - Quantitative PET

The PET Kinetics module provides the calculation of Coronary Flow Reserve (CFR) and Myocardial Blood Flow (MBF). This application also provides automatic segmentation, quantification and analysis of static and gated myocardial perfusion PET, with support for both short axis and transverse datasets.

QBS - Quantitative Blood Pool SPECT

This application provides automatic quantitation of left- and right-ventricular function (ejection fraction, ED and ES volumes, stroke volumes) using gated blood pool SPECT images. It also displays motion polar maps and parametric surfaces.

ARG - Automated Report Generator

The Cedars-Sinai reporting system can substantially improve the workflow in your nuclear cardiology department. Its two components are Automated Report Generator (ARG) and QARG.


This application offers several automatic processing modules for single-photon emission computed tomography (SPECT) studies.

MoCo - Motion Correction

This application provides automatic and manual correction of SPECT acquisition artifacts.


CSI allows you to transfer studies and manages the datasets on your computer. CSI 2017 (going back to version 2013) has a database architecture that provides lightning-fast searching across all your studies. Powerful tagging allows you to organize your data however you'd like without data duplication. CSI still supports pulling data from DICOM Query/Retrieve and FTP servers as well as legacy systems, allowing DICOM cameras and workstations to push data to your computer, and importing data from CDs or other removable media or from a network share. One-click anonymized mode hides patient identification so you can use the software in interactive lectures.

Latest News

Reconstruct and motion-correct data without leaving QGSTM + QPS

Built-in AutoRecon and MotoCo.

QGS is a registered trademark of Cedars-Sinai Medical Center. AutoQUANT and AutoSPECT are registered trademarks of Philips, NV.

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  (844-276-2246), press 1 for Sales

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