Pulmonary Embolism Clinical Trial
Official title:
The Visualization of Uncertainty in Clinical Diagnostic Reasoning for Pulmonary Embolism: a Randomized Controlled Trial.
Verified date | December 2012 |
Source | University of Calgary |
Contact | n/a |
Is FDA regulated | No |
Health authority | Canada: Ethics Review Committee |
Study type | Interventional |
Medical reasoning is a form of inquiry that examines the thought processes involved in making medical decisions. When physicians are faced with patients' symptoms or signs, their thought processes follow either direct shortcuts to suspect a diagnosis or go into a deeper and more analytic process to reach a diagnosis. The second pathway is less prone to biases and errors. This study explores whether the use of an interactive visual display of probabilities of pulmonary embolism generated from positive or negative test results will increase the adherence to evidence based guidelines in the diagnosis of pulmonary embolism.
Status | Completed |
Enrollment | 30 |
Est. completion date | October 2011 |
Est. primary completion date | October 2011 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Both |
Age group | 24 Years to 65 Years |
Eligibility |
Inclusion Criteria: - Medical students, University of Calgary, in clerkship who finished at least 4 weeks of a block of medicine rotation at any hospital site. - First year subspecialty or Internal Medicine residents. - Practicing physicians in the subspecialties of Internal Medicine or Emergency Medicine. Exclusion Criteria: - Physicians in the subspecialty of Haematology or Respiratory |
Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Open Label
Country | Name | City | State |
---|---|---|---|
Canada | University of Calgary | Calgary | Alberta |
Lead Sponsor | Collaborator |
---|---|
University of Calgary |
Canada,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Survey. | The participants' responses to the satisfaction survey will provide feedback about the need for improvement or modification in interface of software | Survey was completed within 2 hours after completion of either intervention. | No |
Primary | Concordance with medical diagnostic reasoning pathway for pulmonary embolism. | Concordance with medical diagnostic reasoning pathway for a case presentation suggestive of pulmonary embolism will be reflected by whether participants are stopping prematurely or proceeding with diagnostic steps inappropriately. | Paper-based clinical case scenarios were completed within 2 hour after either intervention. | No |
Secondary | Time. | The overall time taken to solve each clinical scenario may give insight to which decision making process was predominant to solve each clinical scenario. | Paper-based clinical case scenarios were completed within 2 hour after either intervention. | No |
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