"I am the doctor": gender-based bias within the clinical practice of emergency medicine in Canada-a thematic analysis of physician and trainee interview data.

OBJECTIVES: While women comprise about half of current Canadian medical students and physicians, only 31% of emergency medicine physicians identify as women and women trainees are less likely to express interest in emergency medicine compared to men. Gender-based bias continues to negatively impact the career choice, progress, and well-being of women physicians/trainees. Although instances of gender-based bias are well documented within other medical specialties, there remains a gap in the literature addressing the role of gender specific to the Canadian emergency medicine clinical environment. METHODS: Using a qualitative study with a thematic analytical approach, participants were purposively and snowball sampled from a cross-section of centers across Canada and included emergency medicine attending physicians and trainees. A thematic analysis using an inductive and deductive approach was undertaken. All data were double coded to improve study trustworthiness. Descriptive statistics were used to characterize the study population. RESULTS: Thirty-four individuals (17 woman-identifying and 17 man-identifying) from 10 different institutions across 4 provinces in Canada participated in the study. Six themes were identified: (1) women experience gender bias in the form of microaggressions; (2) women experience imposter syndrome and question their role in the clinical setting; (3) more women provide patient care to women patients and vulnerable populations; (4) gender-related challenges with family planning and home responsibilities affect work-life balance; (5) allyship and sponsorship are important for the support and development of women physicians and trainees; and (6) women value discussing shared experiences with other women to debrief situations, find mentorship, and share advice. CONCLUSIONS: Gender inequity in emergency medicine affects women-identifying providers at all levels of training across Canada. Described experiences support several avenues to implement change against perceived gender bias that is focused on education, policy, and supportive spaces. We encourage institutions to consider these recommendations to achieve gender-equitable conditions in emergency medicine across Canada.

ABSTRAIT: OBJECTIFS: Bien que les femmes représentent environ la moitié des étudiants et des médecins en médecine au Canada, seulement 31 % des médecins d'urgence qui s'identifient comme des femmes et des femmes stagiaires sont moins susceptibles d'exprimer leur intérêt pour la médecine d'urgence que les hommes. Les préjugés fondés sur le sexe continuent d'avoir une incidence négative sur le choix de carrière, les progrès et le bien-être des femmes médecins/stagiaires. Bien que les cas de biais fondés sur le sexe soient bien documentés dans d'autres spécialités médicales, il reste une lacune dans la documentation traitant du rôle du sexe propre au milieu clinique de la médecine d'urgence au Canada. MéTHODES: À l'aide d'une étude qualitative avec une approche analytique thématique, les participants ont été échantillonnés à dessein et en boule de neige dans un échantillon représentatif de centres à travers le Canada et comprenaient des médecins urgentistes et des stagiaires. Une analyse thématique utilisant une approche inductive et déductive a été entreprise. Toutes les données ont été codées en double pour améliorer la fiabilité de l'étude. Des statistiques descriptives ont été utilisées pour caractériser la population étudiée. RéSULTATS: Trente-quatre personnes (17 femmes et 17 hommes) de 10 établissements différents de quatre provinces canadiennes ont participé à l'étude. Six thèmes ont été cernés : (1) les femmes sont victimes de préjugés sexistes sous la forme de microagressions; (2) les femmes sont victimes du syndrome d'imposteur et remettent en question leur rôle dans le milieu clinique; (3) plus de femmes prodiguent des soins aux patientes et aux populations vulnérables; (4) les défis liés au genre que posent la planification familiale et les responsabilités familiales ont une incidence sur l'équilibre entre le travail et la vie personnelle; (5) l'alliance et le parrainage sont importants pour le soutien et le perfectionnement des femmes médecins et stagiaires; (6) les femmes apprécient de discuter des expériences partagées avec d'autres femmes pour faire le point sur des situations, trouver du mentorat et partager des conseils. CONCLUSIONS: L'inégalité entre les sexes en médecine d'urgence touche les fournisseurs de soins qui identifient les femmes à tous les niveaux de formation au Canada. Les expériences décrites appuient plusieurs avenues pour mettre en œuvre des changements contre les préjugés sexistes perçus qui sont axés sur l'éducation, les politiques et les espaces de soutien. Nous encourageons les établissements à tenir compte de ces recommandations afin de parvenir à des conditions équitables entre les sexes en médecine d'urgence partout au Canada.

Examining enablers and barriers to entrustable professional activity acquisition using the theoretical domains framework: A qualitative framework analysis study.

Background: Without a clear understanding of the factors contributing to the effective acquisition of high-quality entrustable professional activity (EPA) assessments, trainees, supervising faculty, and training programs may lack appropriate strategies for successful EPA implementation and utilization. The purpose of this study was to identify barriers and facilitators to acquiring high-quality EPA assessments in Canadian emergency medicine (EM) training programs. Methods: We conducted a qualitative framework analysis study utilizing the Theoretical Domains Framework (TDF). Semistructured interviews of EM resident and faculty participants underwent audio recording, deidentification, and line-by-line coding by two authors, being coded to extract themes and subthemes across the domains of the TDF. Results: From 14 interviews (eight faculty and six residents) we identified, within the 14 TDF domains, major themes and subthemes for barriers and facilitators to EPA acquisition for both faculty and residents. The two most cited domains (and their frequencies) among residents and faculty were environmental context and resources (56) and behavioral regulation (48). Example strategies to improving EPA acquisition include orienting residents to the competency-based medical education (CBME) paradigm, recalibrating expectations relating to "low ratings" on EPAs, engaging in continuous faculty development to ensure familiarity and fluency with EPAs, and implementing longitudinal coaching programs between residents and faculty to encourage repetitive longitudinal interactions and high-quality specific feedback. Conclusions: We identified key strategies to support residents, faculty, programs, and institutions in overcoming barriers and improving EPA assessment processes. This is an important step toward ensuring the successful implementation of CBME and the effective operationalization of EPAs within EM training programs.

Contaminated Airway Task Training: How to Adapt an Existing Airway Manikin Head for Active Airway Soiling.

The massively contaminated airway is an important and often daunting entity for airway providers. Although massively contaminated airways are considered high acuity, low-occurrence presentations in emergency medicine and pre-hospital settings, formal training in the management of contaminated airways is heterogeneous and infrequent. To facilitate training and augment simulation, an airway task trainer is critical. To our knowledge, this is the first readily accessible, peer-reviewed, detailed technical report to build a low-cost, high-fidelity, contaminated airway task trainer. This trainer can be seamlessly integrated into simulated resuscitation scenarios and/or airway training workshops, reinforcing skill acquisition and retention for the management of the massively contaminated airway.

Hickam's Dictum Incarnate: A Case of Simultaneous Left-Sided Urolithiasis and Ruptured Iliac Artery Aneurysm.

A 51-year-old man with a history of nephrolithiasis presented to the Emergency Department after a sudden onset of left-sided groin pain and syncope. At presentation, he described his pain as similar to prior renal colic episodes. At his initial assessment, point of care ultrasound (POCUS) was used, which revealed findings consistent with obstructive renal stones, as well as a substantially enlarged left iliac artery. Computed tomography (CT) imaging confirmed the comorbid diagnoses of left-sided urolithiasis and a ruptured isolated left iliac artery aneurysm. POCUS facilitated expedited definitive imaging and operative management. This case highlights the importance of performing related POCUS studies in reducing anchoring and premature closure bias.

Are there sex differences in the capillary blood volume and diffusing capacity response to exercise?

Previous work suggests that women may exhibit a greater respiratory limitation in exercise compared with height-matched men. Diffusion capacity (DlCO) increases with incremental exercise, and the smaller lungs of women may limit membrane diffusing capacity (Dm) and pulmonary capillary blood volume (Vc) in response to the increased oxygen demand. We hypothesized that women would have lower DlCO, DlCO relative to cardiac output (DlCO/Q̇), Dm, Vc, and pulmonary transit time, secondary to lower Vc at peak exercise. Sixteen women (112 ± 12% predicted relative V̇o2peak) and sixteen men (118 ± 22% predicted relative V̇o2peak) were matched for height and weight. Hemoglobin-corrected diffusing capacity (DlCO), Vc, and Dm were determined via the multiple-[Formula: see text] DlCO technique at rest and during incremental exercise up to 90% of V̇o2peak Both groups increased DlCO, Vc, and Dm with exercise intensity, but women had 20% lower DlCO (P < 0.001), 18% lower Vc (P = 0.002), and 22% lower Dm (P < 0.001) compared with men across all workloads, and neither group exhibited a plateau in Vc. When expressed relative to alveolar volume (Va), the between-sex difference was eliminated. The drop in DlCO/Q̇ was proportionally less in women than men, and mean pulmonary transit time did not drop below 0.3 s in either group. Women demonstrate consistently lower DlCO, Vc, and Dm compared with height-matched men during exercise; however, these differences disappear with correction for lung size. These results suggest that after differences in lung volume are accounted for there is no intrinsic sex difference in the DlCO, Vc, or Dm response to exercise.NEW & NOTEWORTHY Women demonstrate lower diffusing capacity-to-cardiac output ratio (DlCO/Q̇), pulmonary capillary blood volume (Vc), and membrane diffusing capacity (Dm) compared with height-matched men during exercise. However, these differences disappear after correction for lung size. The drop in DlCO/Q̇ was proportionally less in women, and pulmonary transit time did not drop below 0.3 s in either group. After differences in lung volume are accounted for, there is no intrinsic sex difference in DlCO, Vc, or Dm response to exercise.

Effect of aerobic fitness on capillary blood volume and diffusing membrane capacity responses to exercise.

KEY POINTS: Endurance trained athletes exhibit enhanced cardiovascular function compared to non-athletes, although it is considered that exercise training does not enhance lung structure and function. An increased pulmonary capillary blood volume at rest is associated with a higher V̇O2 max . In the present study, we compared the diffusion capacity, pulmonary capillary blood volume and diffusing membrane capacity responses to exercise in endurance-trained males compared to non-trained males. Exercise diffusion capacity was greater in athletes, secondary to an increased membrane diffusing capacity, and not pulmonary capillary blood volume. Endurance-trained athletes appear to have differences within the pulmonary membrane that facilitate the increased O2 demand needed for high-level exercise. ABSTRACT: Endurance-trained athletes exhibit enhanced cardiovascular function compared to non-athletes, allthough it is generally accepted that exercise training does not enhance lung structure and function. Recent work has shown that an increased resting pulmonary capillary blood volume (VC ) is associated with a higher maximum oxygen consumption (V̇O2 max ), although there have been no studies to date examining how aerobic fitness affects the VC response to exercise. Based on previous work, we hypothesized that endurance-trained athletes will have greater VC compared to non-athletes during cycling exercise. Fifteen endurance-trained athletes (HI: V̇O2 max 64.6 ± 1.8 ml kg(-1)  min(-1) ) and 14 non-endurance trained males (LO: V̇O2 max 45.0 ± 1.2 ml kg(-1)  min(-1) ) were matched for age and height. Haemoglobin-corrected diffusion capacity (DLCO), VC and diffusing membrane capacity (DM ) were determined using the Roughton and Forster () multiple fraction of inspired O2 (FI O2 )-DLCO method at baseline and during incremental cycle exercise up to 90% of peak O2 consumption. During exercise, both groups exhibited increases in DLCO, DM and VC with exercise intensity. Athletes had a greater DLCO and greater DM at 80 and 90% of V̇O2 max compared to non-athletes. However, VC was not different between groups during exercise. In contrast to our hypothesis, exercise VC was not greater in endurance-trained subjects compared to controls; rather, the increased DLCO in athletes at peak exercise was secondary to an enhanced DM . These findings suggest that endurance-trained athletes appear to have differences within the pulmonary membrane that facilitate the increased O2 demand needed for high-level exercise.

Dopamine receptor blockade improves pulmonary gas exchange but decreases exercise performance in healthy humans.

Pulmonary gas exchange, as evaluated by the alveolar-arterial oxygen difference (A-aDO2), is impaired during intense exercise, and has been correlated with recruitment of intrapulmonary arteriovenous anastomoses (IPAVA) as measured by agitated saline contrast echocardiography. Previous work has shown that dopamine (DA) recruits IPAVA and increases venous admixture (Q̇s/Q̇t) at rest. As circulating DA increases during exercise, we hypothesized that A-aDO2 and IPAVA recruitment would be decreased with DA receptor blockade. Twelve healthy males (age: 25 ± 6 years, V̇O2 max : 58.6 ± 6.5 ml kg(-1) min(-1) ) performed two incremental staged cycling exercise sessions after ingestion of either placebo or a DA receptor blocker (metoclopramide 20 mg). Arterial blood gas, cardiorespiratory and IPAVA recruitment (evaluated by agitated saline contrast echocardiography) data were obtained at rest and during exercise up to 85% of V̇O2 max . On different days, participants also completed incremental exercise tests and exercise tolerance (time-to-exhaustion (TTE) at 85% of V̇O2 max ) with or without dopamine blockade. Compared to placebo, DA blockade did not change O2 consumption, CO2 production, or respiratory exchange ratio at any intensity. At 85% V̇O2 max , DA blockade decreased A-aDO2, increased arterial O2 saturation and minute ventilation, but did not reduce IPAVA recruitment, suggesting that positive saline contrast is unrelated to A-aDO2. Compared to placebo, DA blockade decreased maximal cardiac output, V̇O2 max and TTE. Despite improving pulmonary gas exchange, blocking dopamine receptors appears to be detrimental to exercise performance. These findings suggest that endogenous dopamine is important to the normal cardiopulmonary response to exercise and is necessary for optimal high-intensity exercise performance.