selected scholarly activity
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chapters
- Clinical prediction scores. 29-34. 2017
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conferences
- Comparison of YEARS and Adjust-Unlikely D-dimer Testing for Pulmonary Embolism in the Emergency Department. Annals of Emergency Medicine. 558-565. 2023
- Venous Thromboembolism in Patients Discharged From the Emergency Department With Ankle Fractures: A Population-Based Cohort Study. Annals of Emergency Medicine. 35-47. 2022
- Diagnostic Accuracy of D-Dimer for Pulmonary Embolism and Lower Limb Deep Vein Thrombosis Testing in People with Cancer: A Meta-Analysis. Blood. 3218-3218. 2021
- Physician and Patient Beliefs and Preferences in Pulmonary Embolism and Deep Vein Thrombosis Testing in People with Cancer. Blood. 4265-4265. 2021
- Deep Vein Thrombosis Diagnosis with D-Dimer Adjusted to Clinical Probability. Blood. 20-20. 2020
- Prevalence of Pulmonary Embolism in Patients Accessing the Emergency Department, Reported by Country of Study: A Systematic Review and Meta-Analysis. Thrombosis Research. 5-5. 2019
- 13. Abstract Title: Identifying patient values and expectations for pulmonary embolism CT scanning in the emergency department. Thrombosis Research. 9-9. 2018
- Red ears while sleepy: relation between ear skin temperature and sleepiness. Journal of Sleep Research. 2018
- Sleep-state and dream perception in sleep disorders. Journal of Sleep Research. 2018
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journal articles
- Adjust-Unlikely pulmonary embolism testing using telephone recruitment: a pilot study to assess the feasibility of evaluating its safety and efficiency.. Emergency Medicine Journal. emermed-2024-214465. 2025
- Evaluation of Head Injury in the Emergency Department.. Emergency Medicine Clinics of North America. 43:211-220. 2025
- Anticoagulation for patients discharged from the emergency department with venous thromboembolism.. American Journal of Emergency Medicine. 93:182-185. 2025
- We've planned, done, & studied: where is the action?. Canadian Journal of Emergency Medicine. 27:235-236. 2025
- Assessing for elder abuse after a low-level fall, we need to do better.. Canadian Journal of Emergency Medicine. 1-1. 2025
- An assessment of evidence to inform best practice for the communication of acute venous thromboembolism diagnosis: a scoping review.. Research and Practice in Thrombosis and Haemostasis. 9:102835. 2025
- Geriatric head trauma: Can brain imaging be safely avoided?. Journal of The American Geriatrics Society. 73:679-681. 2025
- Ruling out pulmonary embolism safely: Standardized reporting of the failure rate.. Academic Emergency Medicine. 32:360-362. 2025
- Treatment of Critical Bleeds in Patients With Immune Thrombocytopenia: A Systematic Review.. European Journal of Haematology. 114:458-468. 2025
- Association between the simplified Pulmonary Embolism Severity Index (sPESI) score and hospitalization in emergency department patients diagnosed with pulmonary embolism.. Thrombosis Research. 245:109234. 2025
- Multidisciplinary Expert Guidance for the Management of Severe Bleeding on Oral Anticoagulation: An Algorithm for Practicing Clinicians.. Thrombosis and Haemostasis. 2024
- Oral Anticoagulant Use and Post-Fall Mortality in Long-Term Care Home Residents.. Journal of the American Medical Directors Association. 25:105233. 2024
- Pathways to cancer care after a suspected cancer diagnosis in the emergency department: a survey of emergency physicians across Ontario.. Canadian Journal of Emergency Medicine. 26:865-874. 2024
- Validation of a Simplified Diagnostic Algorithm for Deep Vein Thrombosis. Blood. 144:4007-4007. 2024
- Emergency department use before cancer diagnosis in Ontario, Canada: a population-based study.. CANADIAN MEDICAL ASSOCIATION JOURNAL. 196:E1252-E1261. 2024
- Emergency physician gender and head computed tomography orders for older adults who have fallen. Academic Emergency Medicine. 31:1006-1013. 2024
- Validation of a Simplified Diagnostic Algorithm for Deep Vein Thrombosis. Thrombosis Research. 242. 2024
- Which adults aged 65 and older are at low-risk for cervical spine injuries after low-level falls?. Canadian Journal of Emergency Medicine. 26:721-726. 2024
- Eligibility for anticoagulation initiation in atrial fibrillation: Agreement between emergency physician and medical record review. Academic Emergency Medicine. 31:824-827. 2024
- A Longitudinal Survey on Canadian Emergency Physician Burnout. Annals of Emergency Medicine. 83:576-584. 2024
- Chronic obstructive pulmonary disease exacerbation purulence status and its association with pulmonary embolism: protocol for a systematic review with meta-analysis. BMJ Open. 14:e085328-e085328. 2024
- Evaluation of venous thromboembolism risk assessment models for hospital inpatients: the VTEAM evidence synthesis. Health Technology Assessment. 28:1-166. 2024
- Implementation, Clinical Benefit and Safety of a D-Dimer-Focused Pulmonary Embolism Testing Pathway in the Emergency Department. Annals of Emergency Medicine. 84:508-517. 2024
- Improving appropriate use of intravenous albumin: results of a single-centre audit and multifaceted intervention. BMJ quality improvement reports. 13:e002534-e002534. 2024
- Effectiveness and cost effectiveness of pharmacological thromboprophylaxis for medical inpatients: decision analysis modelling study. BMJ Medicine. 3:e000408-e000408. 2024
- Deep vein thrombosis testing in pregnancy: where is the evidence? Commentary on “Use of single whole-leg ultrasound to exclude suspected deep vein thrombosis in pregnant patients”. Research and Practice in Thrombosis and Haemostasis. 8:102283-102283. 2024
- Derivation of the Falls Decision Rule to exclude intracranial bleeding without head CT in older adults who have fallen. CANADIAN MEDICAL ASSOCIATION JOURNAL. 195:E1614-E1621. 2023
- Treatment of Critical Bleeding Events in Patients with Immune Thrombocytopenia: A Systematic Review. Blood. 142:7239-7239. 2023
- Risk stratification of acute pulmonary embolism. Journal of Thrombosis and Haemostasis. 21:3016-3023. 2023
- Accuracy of physicians’ intuitive risk estimation in the diagnostic management of pulmonary embolism: an individual patient data meta-analysis. Journal of Thrombosis and Haemostasis. 21:2873-2883. 2023
- Anticoagulation prescription among atrial fibrillation patients managed with and without an anticoagulant initiation pathway: a cohort study. European Journal of Emergency Medicine. 30:365-370. 2023
- Use of patient-reported outcome measures in patients with venous thromboembolism: communication from the ISTH SSC Subcommittee on Predictive and Diagnostic Variables in Thrombotic Disease. Journal of Thrombosis and Haemostasis. 21:2953-2962. 2023
- Delirium, confusion, or altered mental status as a risk for abnormal head CT in older adults in the emergency department: A systematic review and meta-analysis. American Journal of Emergency Medicine. 71:190-194. 2023
- The Association Between Frailty and a Nurse-Identified Need for Comprehensive Geriatric Assessment Referral from the Emergency Department. Canadian Journal of Nursing Research. 55:404-412. 2023
- Diagnostic management of acute pulmonary embolism: a prediction model based on a patient data meta-analysis. European Heart Journal. 44:3073-3081. 2023
- The Geras virtual frailty rehabilitation program to build resilience in older adults with frailty during COVID-19: a randomized feasibility trial. Pilot and Feasibility Studies. 9:124. 2023
- Decision-analysis modeling of effectiveness and cost-effectiveness of pharmacologic thromboprophylaxis for surgical inpatients using variable risk assessment models or other strategies. Journal of Thrombosis and Haemostasis. 21:1580-1591. 2023
- Head computed tomography findings in geriatric emergency department patients with delirium, altered mental status, and confusion: A systematic review. Academic Emergency Medicine. 30:616-625. 2023
- Prognostic Association Between Frailty and Post-Arrest Health Outcomes in Patients Receiving Home Care: A Population-Based Retrospective Cohort Study. Resuscitation. 187:109766-109766. 2023
- In reply. Annals of Emergency Medicine. 81:517-518. 2023
- Neurophysiological mechanisms of exertional dyspnea in post-pulmonary embolism syndrome. Journal of applied physiology. 134:667-677. 2023
- Accuracy of efficient data methods to determine the incidence of hospital-acquired thrombosis and major bleeding in medical and surgical inpatients: a multicentre observational cohort study in four UK hospitals. BMJ Open. 13:e069244-e069244. 2023
- Humans not heroes: Canadian emergency physician experiences during the early COVID-19 pandemic. Emergency Medicine Journal. 40:86-91. 2023
- Pulmonary embolism management in the emergency department: part 2. Emergency Medicine Journal. 40:69-75. 2023
- Delayed intracranial hemorrhage after head injury among elderly patients on anticoagulation seen in the emergency department. Canadian Journal of Emergency Medicine. 24:853-861. 2022
- Prognosis of cardiac arrest in home care clients and nursing home residents: A population-level retrospective cohort study. Resuscitation Plus. 12:100328-100328. 2022
- Pulmonary embolism diagnosis part 1: clinical assessment at the front door. Emergency Medicine Journal. 39:945-951. 2022
- Starting anticoagulation for atrial fibrillation in the emergency department safely. Emergency Medicine Journal. 39:859-860. 2022
- Pulmonary Embolism. New England Journal of Medicine. 387:1241-1243. 2022
- Pulmonary Embolism.. New England Journal of Medicine. 387:1241. 2022
- Development of an international standard set of outcome measures for patients with venous thromboembolism: an International Consortium for Health Outcomes Measurement consensus recommendation. The Lancet Haematology. 9:e698-e706. 2022
- A systematic review of biomarkers among hospitalized patients with COVID‐19 predictive of venous thromboembolism: A communication from the Predictive and Diagnostic Variables Scientific and Standardization Committee of the ISTH. Research and Practice in Thrombosis and Haemostasis. 6:e12786-e12786. 2022
- Management of bleeding risk in patients who receive anticoagulant therapy for venous thromboembolism: Communication from the ISTH SSC Subcommittee on Predictive and Diagnostic Variables in Thrombotic Disease. Journal of Thrombosis and Haemostasis. 20:1910-1919. 2022
- Pulmonary Embolism. New England Journal of Medicine. 387:45-57. 2022
- Illustrated State‐of‐the‐Art Capsules of the ISTH 2022 Congress. Research and Practice in Thrombosis and Haemostasis. 6:e12747-e12747. 2022
- Correction to: Canadian emergency medicine physician burnout: a survey of Canadian emergency physicians during the second wave of the COVID-19 pandemic. Canadian Journal of Emergency Medicine. 24:463-464. 2022
- Risk factors for bleeding in people living with hemophilia A and B treated with regular prophylaxis: A systematic review of the literature. Journal of Thrombosis and Haemostasis. 20:1364-1375. 2022
- Risk of intracranial hemorrhage between different direct oral anticoagulants in older patients seen in the emergency department with a head injury: A population-based cohort study. Thrombosis Research. 214:47-52. 2022
- Mapping emergency physician reasoning for adhering to evidence‐based pulmonary embolism testing. Academic Emergency Medicine. 29:658-661. 2022
- Reduced-Dose Intravenous Thrombolysis for Acute Intermediate–High-risk Pulmonary Embolism: Rationale and Design of the Pulmonary Embolism International THrOmbolysis (PEITHO)-3 trial. Thrombosis and Haemostasis. 122:857-866. 2022
- Canadian emergency medicine physician burnout: a survey of Canadian emergency physicians during the second wave of the COVID-19 pandemic. Canadian Journal of Emergency Medicine. 24:288-292. 2022
- Just the facts: testing patients with suspected pulmonary embolism. Canadian Journal of Emergency Medicine. 24:259-262. 2022
- Patient values and preferences in pulmonary embolism testing in the emergency department. Academic Emergency Medicine. 29:278-285. 2022
- Diagnosis of deep vein thrombosis with D-dimer adjusted to clinical probability: prospective diagnostic management study. The BMJ. 376:e067378-e067378. 2022
- Safety and Efficiency of Diagnostic Strategies for Ruling Out Pulmonary Embolism in Clinically Relevant Patient Subgroups. ACP journal club. 175:244-255. 2022
- Accuracy and Acceptability of Wrist-Wearable Activity-Tracking Devices: Systematic Review of the Literature. Journal of Medical Internet Research. 24:e30791-e30791. 2022
- Do physicians contribute to psychological distress after venous thrombosis?. Research and Practice in Thrombosis and Haemostasis. 6:e12651-e12651. 2022
- Ruling out pulmonary embolism across different healthcare settings: A systematic review and individual patient data meta-analysis. PLoS Medicine. 19:e1003905-e1003905. 2022
- Two troponins, one troponin, none… the dawn of troponin-less decision aids. Canadian Journal of Emergency Medicine. 24:7-8. 2022
- Feasibility of a quality improvement project to increase adherence to evidence-based pulmonary embolism diagnosis in the emergency department. Pilot and Feasibility Studies. 7:4. 2021
- Intracranial hemorrhage after head injury among older patients on anticoagulation seen in the emergency department: a population-based cohort study. CANADIAN MEDICAL ASSOCIATION JOURNAL. 193:E1561-E1567. 2021
- Prognostic association of frailty with post-arrest outcomes following cardiac arrest: A systematic review and meta-analysis. Resuscitation. 167:242-250. 2021
- RAFF-3 Trial: A Stepped-Wedge Cluster Randomised Trial to Improve Care of Acute Atrial Fibrillation and Flutter in the Emergency Department. Canadian Journal of Cardiology. 37:1569-1577. 2021
- 2021 CAEP Acute Atrial Fibrillation/Flutter Best Practices Checklist. Canadian Journal of Emergency Medicine. 23:604-610. 2021
- Definition of a critical bleed in patients with immune thrombocytopenia: Communication from the ISTH SSC Subcommittee on Platelet Immunology. Journal of Thrombosis and Haemostasis. 19:2082-2088. 2021
- A simplified decision rule to rule out deep vein thrombosis using clinical assessment and D‐dimer. Journal of Thrombosis and Haemostasis. 19:1752-1758. 2021
- Risk assessment models for venous thromboembolism in hospitalised adult patients: a systematic review. BMJ Open. 11:e045672-e045672. 2021
- Safety of idarucizumab in the reversal of dabigatran at six tertiary care Ontario hospitals. Research and Practice in Thrombosis and Haemostasis. 5:e12535-e12535. 2021
- Well-being and mental health should be top priority for the emergency medicine workforce. Canadian Journal of Emergency Medicine. 23:419-420. 2021
- Which older emergency patients are at risk of intracranial bleeding after a fall? A protocol to derive a clinical decision rule for the emergency department. BMJ Open. 11:e044800-e044800. 2021
- Accuracy and Acceptability of Wrist-Wearable Activity-Tracking Devices: Systematic Review of the Literature (Preprint) 2021
- A randomized trial comparing prescribed light exercise to standard management for emergency department patients with acute mild traumatic brain injury. Academic Emergency Medicine. 28:493-501. 2021
- Anticoagulation for newly diagnosed atrial fibrillation and 90-day rates of stroke and bleeding. Canadian Journal of Emergency Medicine. 23:325-329. 2021
- Predictors of persistent concussion symptoms in adults with acute mild traumatic brain injury presenting to the emergency department. Canadian Journal of Emergency Medicine. 23:365-373. 2021
- Reliability of patient‐reported outcome measures: Hemorrhage, anticoagulant, antiplatelet medication use. Research and Practice in Thrombosis and Haemostasis. 5:e12501-e12501. 2021
- Starting, building and sustaining a program of research in emergency medicine in Canada. Canadian Journal of Emergency Medicine. 23:297-302. 2021
- Canadian stroke best practice recommendations: Management of Spontaneous Intracerebral Hemorrhage, 7th Edition Update 2020. International Journal of Stroke. 16:321-341. 2021
- Diagnostic Potential of Coagulation-Related Biomarkers for Sepsis in the Emergency Department: Protocol for a Pilot Observational Cohort Study. Critical Care Explorations. 3:e0414-e0414. 2021
- Challenging anticoagulation cases: A case of acute pulmonary embolism in a patient with chronic thrombocytopenia. Thrombosis Research. 198:83-85. 2021
- The psychological impact of pulmonary embolism: A mixed‐methods study. Research and Practice in Thrombosis and Haemostasis. 5:301-307. 2021
- Physician choices in pulmonary embolism testing. CANADIAN MEDICAL ASSOCIATION JOURNAL. 193:E38-E46. 2021
- Admission High-Sensitivity Cardiac Troponin vs a Biochemical Score for Predicting Mortality in Patients With COVID-19. CJC OPEN. 3:130-131. 2021
- Pulmonary embolism prevalence among emergency department cohorts: A systematic review and meta‐analysis by country of study. Journal of Thrombosis and Haemostasis. 19:173-185. 2021
- Hypercoagulability and coronavirus disease 2019–associated hypoxemic respiratory failure: Mechanisms and emerging management paradigms. Journal of Trauma and Acute Care Surgery. 89:e177-e181. 2020
- Burnout and depression among Canadian emergency physicians – ERRATUM. Canadian Journal of Emergency Medicine. 22:E18. 2020
- Towards evidence-based emergency medicine: best BETs from the Manchester Royal Infirmary. Emergency Medicine Journal. 37:725.1-725. 2020
- Canadian emergency physician psychological distress and burnout during the first 10 weeks of COVID‐19: A mixed‐methods study. Journal of the American College of Emergency Physicians Open. 1:1030-1038. 2020
- Burnout and depression among Canadian emergency physicians. Canadian Journal of Emergency Medicine. 22:559-560. 2020
- Diagnosing deep vein thrombosis in cancer patients with suspected symptoms: An individual participant data meta‐analysis. Journal of Thrombosis and Haemostasis. 18:2245-2252. 2020
- Making Decisions in the Era of the Clinical Decision Rule: How Emergency Physicians Use Clinical Decision Rules. Academic Medicine. 95:1230-1237. 2020
- Predicting hospital admission for older emergency department patients: Insights from machine learning. International Journal of Medical Informatics. 140:104163-104163. 2020
- Emerging key laboratory tests for patients with COVID-19. Clinical Biochemistry. 81:13-14. 2020
- Clinical chemistry tests for patients with COVID-19 – important caveats for interpretation. Clinical Chemistry and Laboratory Medicine. 58:1142-1143. 2020
- Clinical Predictors of Intracranial Bleeding in Older Adults Who Have Fallen: A Cohort Study. Journal of The American Geriatrics Society. 68:970-976. 2020
- Daytime sleep state misperception in a tertiary sleep centre population. Sleep Medicine. 69:78-84. 2020
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Diagnosis of Pulmonary Embolism with
d -Dimer Testing. New England Journal of Medicine. 382:1074-1075. 2020 - Ability of a single negative ultrasound to rule out deep vein thrombosis in pregnant women: A systematic review and meta‐analysis. Journal of Thrombosis and Haemostasis. 18:373-380. 2020
- Incidence of intracranial bleeding in seniors presenting to the emergency department after a fall: A systematic review. Injury. 51:157-163. 2020
- Pharmacological thromboprophylaxis to prevent venous thromboembolism in patients with temporary lower limb immobilization after injury: systematic review and network meta‐analysis. Journal of Thrombosis and Haemostasis. 18:422-438. 2020
- Reply to Thromboprophylaxis in temporary lower limb immobilization: Extrapolate with care. Journal of Thrombosis and Haemostasis. 18:519-520. 2020
- Showing Your Thinking: Using Mind Maps to Understand the Gaps Between Experienced Emergency Physicians and Their Students. AEM Education and Training. 4:54-63. 2020
- Different strategies for pharmacological thromboprophylaxis for lower-limb immobilisation after injury: systematic review and economic evaluation. Health Technology Assessment. 23:1-190. 2019
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Diagnosis of Pulmonary Embolism with
d -Dimer Adjusted to Clinical Probability. New England Journal of Medicine. 381:2125-2134. 2019 - Addressing emotional and physical distress after pulmonary embolism. Thrombosis Research. 182:184-184. 2019
- Towards evidence-based emergency medicine: best BETs from the Manchester Royal Infirmary. Emergency Medicine Journal. 36:635.1-635. 2019
- Decision‐analysis modelling of the effects of thromboprophylaxis for people with lower limb immobilisation for injury. British Journal of Haematology. 186:166-168. 2019
- Comparison of the age-adjusted and clinical probability-adjusted D-dimer to exclude pulmonary embolism in the ED. American Journal of Emergency Medicine. 37:845-850. 2019
- Window to the Unknown: Using Storytelling to Identify Learning Needs for the Intrinsic Competencies Within an Online Needs Assessment. AEM Education and Training. 3:179-187. 2019
- Towards evidence-based emergency medicine: best BETs from the Manchester Royal Infirmary. Emergency Medicine Journal. 36:1-2. 2019
- The Social Media Index as an Indicator of Quality for Emergency Medicine Blogs: A METRIQ Study. Annals of Emergency Medicine. 72:696-702. 2018
- Towards evidence-based emergency medicine: best BETs from the Manchester Royal Infirmary. Emergency Medicine Journal. 35:711.1-711. 2018
- Incidence of intracranial bleeding in anticoagulated patients with minor head injury: a systematic review and meta‐analysis of prospective studies. British Journal of Haematology. 183:119-126. 2018
- Should you adjust your D-dimer?. Canadian Journal of Emergency Medicine. 20:660-661. 2018
- Extended anticoagulation for unprovoked venous thromboembolism. Research and Practice in Thrombosis and Haemostasis. 2:529-534. 2018
- The Massive Online Needs Assessment (MONA) to inform the development of an emergency haematology educational blog series. Tijdschrift voor Medisch Onderwijs. 7:219-223. 2018
- CAEP Acute Atrial Fibrillation/Flutter Best Practices Checklist. Canadian Journal of Emergency Medicine. 20:334-342. 2018
- Review of implementation strategies to change healthcare provider behaviour in the emergency department. Canadian Journal of Emergency Medicine. 20:453-460. 2018
- Individual Gestalt Is Unreliable for the Evaluation of Quality in Medical Education Blogs: A METRIQ Study. Annals of Emergency Medicine. 70:394-401. 2017
- Towards evidence-based emergency medicine: best BETs from the Manchester Royal Infirmary. Emergency Medicine Journal. 34:621.1-621. 2017
- Inability of a negative faecal occult blood test to rule out intussusception in children. Emergency Medicine Journal. 34:489-490. 2017
- Point of care ultrasound versus CT pulmonary angiogram in suspected pulmonary embolus. Emergency Medicine Journal. 34:487.2-489. 2017