High Speed CT Scan

High-resolution computed tomography (HRCT) is a method of examination which is more precise than chest 2-rat in the diagnosis and monitoring of diseases of the lung tissue and the airways. Modern CT equipment enables a volume HRCT scan covering the whole lung tissue.

In HRCT, the x rays are collimated to a much thinner slice width than in conventional CT scans, typically less than 1.5 mm compared to 5–10 mm. … However, most facilities use a gap of 10–20 mm between the thin slices, which results in lower doses to the patient from HRCT than from conventional CT.

Digital Radiography has many benefits over film radiography, and has been used to substantially reduce cycle times while often producing superior image quality. With complex geometry products or parts where double wall radiography is required, the radiograph will include all the superimposed product features and indications from one surface to the other. This can make it very difficult to quickly make a determination of the products acceptance.

With the advances in CT, comes the opportunity to perform very high-speed CT scans of some products. The CT scan can quickly provide a 3D view of all indications as well as their location within a product. With a 3D data set, automatic software routines can be applied with true 3D acceptance criteria applied to assisted and automatic defect recognition (ADR) routines. For manual interpretation, CT not only provides a more thorough evaluation, but makes it easier and quicker to perform an interpretation.

Emergency Cases

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