Brian Tuohy

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AIM To prospectively assess whether bolus shaping to exponentially decrease the contrast medium injection rate leads to alteration in image validity or renal function. MATERIALS AND METHODS In this prospective study, patients alternatively received 100 ml contrast medium versus 75 ml via bolus shaping. Image quality was assessed via measurement of(More)
As a musical instrument, the human voice offers a significant range in terms of sonic results. Control of this particular instrument is aided by a natural familiarity, and it takes little concentration to quickly produce sounds of vastly differing musical characteristics. The advent of computer music has afforded manipulative processing that delivers(More)
The importance of quality assurance (QA) of X-ray equipment in diagnostic imaging departments is well recognised. However, practically no attention has been paid in the literature to the application of QA programmes to mobile C-arm fluoroscopy systems. This equipment is sometimes omitted from these programmes because it is often “off-site” from the main(More)
The 'fast flush test' is commonly used to determine the dynamic response of catheter-manometer systems in vivo. We compared the fast flush test with an established bench top test in vitro. The results of the two tests were compared in fifteen underdamped radical artery catheter-manometer systems. There were significant differences between the results, (P(More)
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