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Left ventricular imaging with digital subtraction angiography using intravenous contrast injection and fluoroscopic exposure levels.
First-pass left ventriculograms were obtained using digital subtraction angiography in 24 patients after intravenous injection of 30 to 40 ml of iodinated contrast material. An image processing computer was used to enhance the iodine signal in the image relative to the background soft tissue by digitizing each new frame of the fluoroscopic exposure and subtracting from it a stored "mask" image. Digital left ventriculograms were obtained in the 30-degree right anterior oblique (RAO) position using high fluoroscopic exposure levels [8 mA and 70 to 90 kVp] and compared to 30-degree RAO cineangiograms obtained at cardiac catheterization. Standard cineanglograms were performed in 33 patients at cardiac catheterization but six (18%) were excluded because of runs of ventricular tachycardia initiated by the standard intraventricular injection of 40 ml of contrast media. Digital subtraction angiography was attempted in the 33 patients and left ventriculograms of clinically useful quality were obtained in 30 (91%). There were close correlations between end-diastolic volumes (r = 0.82), end-systolic volums (r = 0.93), and ejection fractions (r = 0.96). Multiple premature ventricular contractions occurred in a total of 10 of 33 (30%) patients during standard intraventricular cineangiography but did not occur in any patients during the intravenous first-pass technique. Wall motion abnormalities were visualized as well by digital angiography as by the standard method. Digital angiography appears to be an important new addition to diagnostic cardiology because it provides a less invasive outpatient method for obtaining contrast left ventriculograms which have much greater spatial resolution than radionuclide cineangiograms. © 1982
Usability of Online Business Registration Improvisation as Congo-Brazzaville Re-Branding Tool
Discourse on hygiene between hospitalized patients and health care workers as an accepted norm: Making it legitimate to remind health care workers about hand hygiene
Exploring Japanese nurses' perceptions of the relevance and use of assertive communication in healthcare: A qualitative study informed by the Theory of Planned Behaviour
‘Speaking up for safety’: A graded assertiveness intervention for first year nursing students in preparation for clinical placement: Thematic analysis
An integrative review exploring the perceptions of patients and healthcare professionals towards patient involvement in promoting hand hygiene compliance in the hospital setting
© 2018 John Wiley & Sons Ltd Aims and objectives: To review patients’ and healthcare professionals’ perceptions of patient involvement in promoting hand hygiene compliance in the hospital setting. Background: Initiatives continue to emphasise the importance of involving patients in their safety at the point of care. A patient-centred care approach aimed to empower patients to become active members of the healthcare team. However, understanding the perceptions of patients and healthcare professionals of patient involvement in promoting hand hygiene compliance among healthcare professionals has yet to be fully explored. Design: Integrative literature review. Methods: A five-stage review process informed by Whittemore and Knafl's methodology was conducted. MEDLINE and CINAHL were searched for papers published between January 2009–July 2017. Data were extracted manually, organised using NVivo 11 and analysed using thematic analysis. Results: From an identified 240 papers, 19 papers were included in this review. Thematic analysis revealed two main themes with three related subthemes. Patients were willing to remind healthcare professionals (especially nurses) to wash their hands, healthcare professionals perception towards patients’ involvement varied from one study to another. However, an overall positive attitude towards patient involvement was related to how patients asked and how healthcare professionals responded to being asked. Conclusion: There is limited evidence regarding patients’ actual intention to ask healthcare professionals to wash their hands, and some evidence that patients are reluctant to do so. Further research is required to understand this area thoroughly, including which situations patients would feel more empowered to speak up. Relevance to clinical practice: Simple messages promoting patient involvement may lead to complex reactions in both patients and healthcare professionals. It is unclear, yet how patients and staff react to such messages in clinical practice. There is a need for a deeper understanding of how they can work together to support harm free care