5 results on '"Jones, Sarah"'
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2. Multiple deformation episodes at Myra Falls volcanic-hosted massive sulfide camp, central Vancouver Island, British Columbia, Canada.
- Author
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Jones, Sarah, Berry, Ron, and Sinclair, Briony
- Subjects
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ISLANDS , *DEFORMATIONS (Mechanics) , *MAGNETIC flux compression , *CLEAVAGE of rocks , *SHEAR (Mechanics) , *GEOLOGIC faults , *STRUCTURAL geology - Abstract
A detailed deformation history for central Vancouver Island was determined at Myra Falls volcanic-hosted massive sulfide camp with early ductile deformation overprinted by several distinct episodes of brittle deformation. Brittle structures were subdivided into separate groups based on their morphology, geometry, kinematics, and crosscutting relations. The central location of this study provides a link between previous deformation studies in northern and southern Vancouver Island. Late Paleozoic northeast–southwest compression (D1) produced open upright folds with variably developed north-northwest-striking axial planar cleavage zones (S1) and subhorizontal stretching lineations (L1) subparallel to F1 fold axes. Renewed northeast–southwest compression during the collision of Wrangellia and North America produced a second foliation (S2) in localized shear zones, slightly oblique to the dominant S1 foliation. These two events are recorded throughout Vancouver Island wherever the basement is exposed. Mid-Cretaceous northeast–southwest compression during D3 produced early steep conjugate strike-slip faults (D3a), overprinted by northeast- and southwest-dipping thrust faults and bedding-parallel shears (D3b). D3 structures have been previously recognized in northern Vancouver Island but not as far south as Myra Falls. North–south extension (D4) produced east, north, and east–southeast-striking normal faults. These faults consistently crosscut earlier D1–D3 structures and reactivate steep D3a faults. Normal faulting is correlated with the development of the Upper Cretaceous Nanaimo Basin, but no faults of this age have previous been reported from onshore studies. The youngest structures at Myra Falls are large northwest-striking, northeast-dipping thrust faults and steep west- to west-northwest-striking sinistral strike-slip faults formed during the D5 event. These faults are gouge-rich, wavy anastomosing structures, with cleaved wall-rock zones up to several metres wide. The D5 faults are correlated with Eocene deformation caused by the accretion of the Pacific Rim and Crescent Terranes along the southwestern margin of Vancouver Island. Myra Falls is the northernmost location to have been reported, at which the structures formed as part of the Cowichan fold and thrust belt. [ABSTRACT FROM AUTHOR]
- Published
- 2006
- Full Text
- View/download PDF
3. The influence of surgical and procedural rotations and interest in a surgical discipline on medical students' suturing ability during clerkship.
- Author
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Walser, Eric, Davidson, Jake, Carey, Nathalie, Ralph-Edwards, Robin, McNeely, Brendan, Jones, Sarah, and Bütter, Andreana
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RESEARCH , *MEDICAL students , *RESEARCH methodology , *CURRICULUM , *EVALUATION research , *COMPARATIVE studies , *RANDOMIZED controlled trials , *CLINICAL competence , *MEDICAL education , *EMERGENCY medicine - Abstract
Background: Although suturing is an essential competency for medical students, there has been limited research into the skills acquisition process over the course of medical school curriculum. This study aimed to determine whether suturing ability improved over the course of clerkship and whether an interest in a surgical discipline was associated with improved skill acquisition.Methods: The suturing ability of third-year medical students at a large Canadian medical school was assessed at the beginning of clerkship (August 2018) as well as before and after their surgery rotation by 2 expert reviewers using a validated, objective scoring system as well as a qualitative assessment, both in person and via blinded video recordings. Students were randomly allocated to 4 groups for their clerkship year by the medical school.Results: Of 133 eligible students, 115 (86.5%) completed the study. Median suturing assessment scores improved significantly after the surgery rotation (214.5 [interquartile range (IQR) 191.1-235.0] v. 238.0 [IQR 223.5-255.0], p = 0.001). Groups that had completed a procedural rotation (emergency medicine, obstetrics and gynecology) between clerkship and starting their surgery rotation had improved scores between these time points (p < 0.05), whereas scores decreased for groups that did not have a procedural rotation between assessments. Regardless of previous rotations, suturing scores were similar between groups after the surgery rotation. The 21 students (18.3%) who were interested in a surgical discipline had higher suturing scores than students who were not interested in surgery at the beginning of clerkship (229.1 [IQR 220.2-253.0] v. 208.0 [IQR 185.0-228.0], p < 0.001) and after the surgery rotation (252.0 [IQR 227.0-268.0] v. 235.8 [IQR 220.5-251.2], p = 0.02).Conclusion: Medical students' suturing ability improved during the surgery rotation but was also influenced by other procedural rotations and students' interest in procedure specialties. Skill acquisition by medical students is complex and requires additional investigation. [ABSTRACT FROM AUTHOR]- Published
- 2022
- Full Text
- View/download PDF
4. Autumnal Answers.
- Author
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Jones, Sarah
- Subjects
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NATURE , *ANIMALS , *LEAF color , *GEESE , *BIRD migration - Abstract
The article addresses several inquiries relating to nature and wildlife in Canada, including the reason why leaves change colors in fall and the reason why geese fly in a V formation during migration.
- Published
- 2010
5. ‘Do As We Say, Not as We Do:’ a cross-sectional survey of injuries in injury prevention professionals.
- Author
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Ezzat, Allison, Brussoni, Mariana, Schneeberg, Amy, and Jones, Sarah J.
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PREVENTION of injury , *MEDICAL personnel , *PROFESSIONS , *STATISTICAL sampling , *SELF-evaluation , *SURVEYS , *WOUNDS & injuries , *SAMPLE size (Statistics) , *JUDGMENT sampling , *RELATIVE medical risk , *DISEASE incidence , *CROSS-sectional method , *DATA analysis software , *DESCRIPTIVE statistics - Abstract
Background: As the leading cause of death and among the top causes of hospitalisation in Canadians aged 1–44 years, injury is a major public health concern. Little is known about whether knowledge, training and understanding of the underlying causes and mechanisms of injury would help with one’s own prevention efforts. Based on the Theory of Planned Behaviour, we hypothesised that injury prevention professionals would experience fewer injuries than the general population. Methods: An online cross-sectional survey was distributed to Canadian injury prevention practitioners, researchers and policy makers to collect information on medically attended injuries. Relative risk of injury in the past 12 months was calculated by comparing the survey data with injury incidence reported by a comparable subgroup of adults from the (Canadian Community Health Survey (CCHS)) from 2009 to 2010. Results: We had 408 injury prevention professionals complete the survey: 344 (84.5%) women and 63 (15.5%) men. In the previous 12 months, 86 individuals reported experiencing at least one medically attended injury (21 235 people per 100 000 people); with sports being the most common mechanism (41, 33.6%). Fully 84.8% individuals from our sample believed that working in the field had made them more careful. After accounting for age distribution, education level and employment status, injury prevention professionals were 1.69 (95% CI 1.41 to 2.03) times more likely to be injured in the past year. Interpretation: Despite their convictions of increasing their own safety behaviour and that of others, injury prevention professionals’ knowledge and training did not help them prevent their own injuries. [ABSTRACT FROM AUTHOR]
- Published
- 2014
- Full Text
- View/download PDF
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