Vascular

Hints in General

Topogram: TOP, 512/1024 or LAT 256

Patient positioning:

Patient lying in supine position, arms positioned comfortably above the head in the head-arm rest, lower legs supported.

Patient respiratory instructions: inspiration.

Oral administration of contrast medium:

The use of water will not obscure the blood vessels, thus allowing CTA post-processing to be performed easily afterwards.

Be careful when examining pheochromocytoma patients. Administration of an IV CM injection in such cases may trigger a hypertensive crisis!

To further optimize MPR image quality, we recom- mend that you reduce one or more of the following parameters: collimation, reconstruction increment and slice width for image reconstruction.

Head Kernels

For soft tissue head studies, the standard kernel is H41s; softer images are obtained with H31s or H21s, sharper images with H50s.

Body Kernels

As standard kernels for body tissue studies B31s or B41s is recommended; softer images are obtained with B20s.

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Siemens Software version syngo CT 2005C manual Hints in General