A phantom for testing ECG-gated computed tomography of the heart.
A mechanical phantom has been built to evaluate electrocardiographically gated computed tomography of the heart. The phantom simulates the heart in terms of cyclic changes in chamber dimensions and wall thickness. Rate and excursion are variable, and the cavity of the chamber can be filled with liquid contrast media of different degrees of radio-opacity. Preliminary experiments with a prototypic gating system are described.
Godwin, JD; Johnson, GA; Fram, EK
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