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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Visualized pulmonary embolism computer task model | Experimental | This group of participants was presented and trained to use a visual representation of diagnostic pathway for pulmonary embolism. The design of this visual representation is based on Bayes theorem and cognition enhancing visual design principles. |
|
| Didactic review pulmonary embolism lecture | Active Comparator | This group of participants was presented with a didactic lecture covering the diagnostic approach of pulmonary embolism. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Visualized pulmonary embolism computer task model | Other | This group of participants was presented and trained to use a visual representation of diagnostic pathway for pulmonary embolism. The design of this visual representation is based on Bayes theorem and cognition enhancing visual design principles. |
| Measure | Description | Time Frame |
|---|---|---|
| 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. |
| Measure | Description | Time Frame |
|---|---|---|
| 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. |
| Measure | Description | Time Frame |
|---|---|---|
| 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. |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Ghazwan Altabbaa, MD MSc | University of Calgary | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Calgary | Calgary | Alberta | T2V1P9 | Canada |
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|
| Didactic review lecture | Other | This group of participants was presented with a didactic lecture covering the diagnostic approach of pulmonary embolism. |
|
| ID | Term |
|---|---|
| D011655 | Pulmonary Embolism |
| ID | Term |
|---|---|
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
| D004617 | Embolism |
| D016769 | Embolism and Thrombosis |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
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