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Does the Position of the Arm during Intravenous Contrast Administration alter Image Quality in Computed Tomography Pulmonary Angiography (CTPA)?

By Karen Wood


Pulmonary embolism (PE) is the sudden blocking of a pulmonary artery, commonly by a blood clot.PE can be very difficult to diagnose clinically and is potentially fatal carrying a 30% mortality rate if untreated 1.\ud In the UK 10% of all hospital deaths equating\ud to 1% of all hospital admissions have been\ud shown to be attributable to PE 2

Year: 2009
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  2. (2000). Chest Pathology. [online] Available from: (Accessed
  3. (2007). Diagnostic pathways in acute pulmonary embolism: Recommendations of the PIOPED II investigators. doi
  4. (2005). MDCT angiography of the pulmonary arteries: Influence of iodine flow concentration on vessel attenuation and visualization. doi
  5. (2002). Scottish Intercollegiate Guidelines Network. doi
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