CT

Cat Scan

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Cat Scan, CT

  • See Also
  1. Radiographic Contrast Media
  2. CT Intravenous Contrast
  • Adverse Effects
  1. CT Intravenous Contrast for contrast reactions
  2. CT-associated Radiation Exposure
  3. Intravenous Contrast Related Acute Renal Failure
  4. Contrast-Induced Nephropathy Risk Score
  5. Gadolinium-Associated Nephrogenic Systemic Fibrosis
  6. CT-associated Radiation Exposure
  • Background
  • Current technology
  1. 256 slice scanner
  2. 0.5 sec to complete Head CT (full body in <1 minute)
  3. 6-7 gigabytes/sec acquired
  4. 3D reconstruction
  5. CT angiography (brain, carotids, aorta, lung, coronary)
    1. CT Pulmonary agngiography
    2. CT Peripheral angiography
    3. CT Renal angiography
    4. CT Urology (stone, Hematuria, Renal Mass protocols)
    5. CT Sinus
    6. CT Brain perfusion
    7. CT Aortic aneurysm
    8. CT Cardiac Imaging
      1. Gated - synchronized to EKG
      2. Real time (4D) functional study
    9. CT Orthopedic Trauma
  • Findings
  • Incidental
  1. CT Incidental findings are common
    1. Trauma series CTs demonstrated incidental findings in up to one third of cases in one study
    2. However, less than 10% of incidental findings were addressed in the patient discharge material
    3. Thompson (2011) Emerg Med Int 2011:624847 +PMID: 22046542 [PubMed]