Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Patent
1996-10-03
1998-09-08
Casler, Brian
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
600436, 128922, 345418, A61B 505
Patent
active
058039147
ABSTRACT:
A system for acquisition, processing and display of gated SPECT imaging data for use in diagnosing Coronary Artery Disease (CAD) in nuclear medicine. The present invention provides a physician with two parameters for evaluating CAD: information relating to the distribution of blood flow within the myocardium (perfusion) and information relating to myocardium wall motion (function). One aspect of the present invention provides the physician with a display of functional images representing quantitative information relating to both perfusion and function with respect to selected regions of interest of the subject heart at end-diastole and end-systole segments of the cardiac cycle. The functional display consists of arcs of varied width depending on wall motion and color coded to illustrate degrees of myocardial perfusion for different pie shaped sections of a selected region of interest within a given short axis slice of reconstructed volume data. The present invention also provides a series of display images allowing facilitated access, display, and comparison of the numerous image frames of the heart that may be collected during gated SPECT sessions. The present invention also offers the ability to define and recall parameter files representative of data acquisition and processing parameters and protocol for use in gated SPECT studies. The invention also includes a semi-list processing mode to increased efficiency of data acquisition within a camera computer system.
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Goldberg Edward M.
Hudson Robert C.
Ryals Carl J.
Wong Stanley H.
ADAC Laboratories
Casler Brian
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