Secret History: Return of the Black Death Channel 4, 7-8pm In 1348 the Black Death swept through London, killing people within days of the appearance of their first symptoms. Exactly how many died, and why, has long been a mystery. This Secret History documentary follows experts as they pick through the evidence and reveal why the plague killed on such a scale. And they ask, what might be coming next?

Medscape

Chapter 1: CT: An Overview Chapter 2: Digital Image Processing Chapter 3: Physical Principles of CT Chapter 4: Data Acquisition Chapter 5: Image Reconstruction Chapter 6: Iterative Reconstruction Fundamentals Chapter 7: Basic Instrumentation Chapter 8: Image Post Processing Chapter 9: Image Quality Chapter 10: Radiation Dose Chapter 11: MuliSlice CT Principles Chapter 12: Other Technical Applications Chapter 13: Three-Dimensional CT Chapter 14: PET/SPECT CT Chapter 15: CT of the Head, Neck, and Spine Chapter 16: CT of the Body Chapter 17: Pediatric CT Chapter 18: Quality Control for CT Scanners Appendix A: Spiral Versus Helical Appendix B: Historical Look at Specific Features of CT Scanners Appendix C: Physics of Cardiac Imaging with Multiple-Row Detector CT

Computed Tomography physical princiles,Clinical Aplication and Quality Control

Background Fractures of the tibial shaft are routinely managed with intramedullary nailing An increasingly accepted technique is the suprapatellar extended leg method The aim of this study was to investigate whether the suprapatellar tibial nailing technique offers shorter intraoperative fluoroscopy times and lower radiation doses when compared to the traditional infrapatellar technique Study design and methods Data from 200 consecutive intramedullary tibial nailing operations in our level 1 Major Trauma Centre were retrospectively collected from a prospective database (January 2014–December 2017) Only acute diaphyseal nailing procedures were included The operations were performed by seven senior trauma consultants experienced in both suprapatellar and infrapatellar tibial nailing The operations were divided into two groups: infrapatellar and suprapatellar Intraoperative radiation time and dose data were collected Results A total of 90 cases were included and analysed The majority of the patients were male (82%) 37 operations were infrapatellar and 53 were suprapatellar Independent samples t-test revealed lower radiation time and dose for the suprapatellar group The infrapatellar group had a mean radiation time of 1297 ± 566 s versus 944 ± 479 s for the suprapatellar group The infrapatellar group had a mean radiation dose (Dose Area Product) 536 ± 342 cGY cm2 versus 382 ± 267 cGY cm2 for the suprapatellar group The difference in mean radiation time and mean radiation dose were both significant (p = 0002 and p = 002 respectively) Conclusions Suprapatellar tibial nailing is an increasingly accepted technique in the management of tibial fractures It is shown here that amongst surgeons experienced in both suprapatellar and infrapatellar nailing techniques, the suprapatellar approach trends towards lower use of intra-operative fluoroscopy as measured by time and dose and thus potentially lower radiation exposure to the operating surgeon, assistants and patient

Intra-operative fluoroscopy time and radiation dose during suprapatellar tibial nailing versus infrapatellar tibial nailing

A comprehensive review of dual-energy and multi-spectral computed tomography.

Objective:This study aimed (1) to perform a systematic review on scanning parameters and contrast medium (CM) reduction methods used in prospectively electrocardiography (ECG-triggered low tube voltage coronary CT angiography (CCTA), (2) to compare the achievable dose reduction and image quality and (3) to propose appropriate scanning techniques and CM administration methods.Methods:A systematic search was performed in PubMed, the Cochrane library, CINAHL, Web of Science, ScienceDirect and Scopus, where 20 studies were selected for analysis of scanning parameters and CM reduction methods.Results:The mean effective dose (HE) ranged from 0.31 to 2.75 mSv at 80 kVp, 0.69 to 6.29 mSv at 100 kVp and 1.53 to 10.7 mSv at 120 kVp. Radiation dose reductions of 38 to 83% at 80 kVp and 3 to 80% at 100 kVp could be achieved with preserved image quality. Similar vessel contrast enhancement to 120 kVp could be obtained by applying iodine delivery rate (IDR) of 1.35 to 1.45 g s−1 with total iodine dose (TID) of between ...

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Low tube voltage prospectively ECG-triggered coronary CT angiography: a systematic review of image quality and radiation dose.

https://research.tees.ac.uk/ws/files/4383160/Radiography_D_14_00067R1.pdf

The Radiographer's multidisciplinary team role in theatre scenarios

https://www.radiographyonline.com/article/S1078-8174(15)00016-4/pdf

Maintaining image quality and reducing dose in prospectively-triggered CT coronary angiography: A systematic review of the use of iterative reconstruction

Exploring the implementation of evidence-based optimisation strategies: A qualitative study of the experience of diagnostic radiographers.

https://research.tees.ac.uk/ws/files/16588052/RADIOGRAPHY_D_19_00199R2.pdf

Mark Widdowfield

Papers

The Radiographer's multidisciplinary team role in theatre scenarios

Maintaining image quality and reducing dose in prospectively-triggered CT coronary angiography: A systematic review of the use of iterative reconstruction

Exploring the implementation of evidence-based optimisation strategies: A qualitative study of the experience of diagnostic radiographers.

Evaluation of distraction techniques for patients aged 4-10 years undergoing magnetic resonance imaging examinations.

Chest CT in patients with shortness of breath: Comparing high pitch CT and conventional CT on respiratory artefacts and dose.