WebN 1C: Pre- and post-contrast head CT Indications: mass, metastases, AVM. Contrast parameters 1) None 2) 100 mL at 2.5 mL/sec Region of scan Foramen magnum to vertex, angled to exclude orbits. Scan delay 1) NA 2) 60 sec Detector collimation Non-helical 16 x 1.5 mm OR helical 64 x 1.2 mm, 32
CT Protocols OHSU
WebOct 29, 2024 · Reading the CT Scan. 1. Take note of the shades of white, gray, and black. The soft tissues, fat, air, and bone inside of you are represented in these different shades. An unexpected color in a part of your body could be a sign of an abnormality. Dense tissues like bone show up as white areas. Both air and fat show up as dark gray or black. WebJan 13, 2024 · Indications for Non-contrast CT. Contrast is not used in patients with head, extremity or spine trauma. It is also not used in patients with suspected acute stroke. Finally, imaging of the abdomen and pelvis to assess for renal stones also does not require CT contrast. Here is a summary of the indications for non-contrasted CT: dynamic uv light system
Computed Tomography (CT) Scan of the Head and Face - Alberta
WebJun 15, 2006 · 1. Total. A second clinical decision rule, the Canadian CT Head Rule, was developed using 3,121 patients 16 to 99 years of age who presented with minor head … WebComputed tomography (CT) of the sinuses uses special x-ray equipment to evaluate the paranasal sinus cavities – hollow, air-filled spaces within the bones of the face surrounding the nasal cavity. CT scanning is painless, noninvasive and accurate. It's also the most reliable imaging technique for determining if the sinuses are obstructed and ... WebCT head scans are used for. Investigating certain cancers or tumors of the skull, brain, and coverings over the brain. Identifying the location of tumors, stage of cancer, and site to … dynamic validation list excel