Comments
  • hasrul helmy | Sep 19, 2008

    i just wonder, for this chest pain protocol, are you recommend to use test bolus or care bolus(monitoring technique).

  • Thorsten R. C. Johnson, M.D. | Oct 7, 2008

    We generally recommend bolus tracking in the aortic root for this application, because it does not require additional contrast and it is not affected by variability due to breathing, and the bolus geometry corresponds to the actual bolus. There is a specific paper addressing this matter: J Comput Assist Tomogr. 2007 Mar-Apr;31(2):265-71.

  • hesham hamed mohamed | Jan 10, 2011

    Please,i want to know every thing about contrast injection protocol for chest pain (urgent)

  • DSCT.com editors | Jan 11, 2011

    Dear Mr. Hesham,
    on behalf of Dr. Johnson we can recommend you his paper paper about the injection of contrast media that might help you:
    Optimization of contrast material administration for electrocardiogram-gated computed tomographic angiography of the chest.
    Johnson TR, Nikolaou K, Wintersperger BJ, Fink C, Rist C, Leber AW, Knez A, Reiser MF, Becker CR.
    J Comput Assist Tomogr. 2007 Mar-Apr;31(2):265-71.

    Thank you for your question.
    Best regards,
    The DSCT.com team

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Thorsten R. C. Johnson, M.D.

Associate professor of radiology – Expert in dual energy CT, coronary CTA, heart valves, myocardial wall motion, chest pain assessment

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