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Dissection of the ascending aorta (AA) represents a life-threatening condition typically treated by emergent surgical repair. A rare, potential complication of AA dissection is pulmonary artery (PA) sheath hematoma. Due to the presence of a common adventitial layer between the proximal AA and the PA, dissection can propagate between both vessels, potentially compromising the PA lumen. The resultant acute narrowing of the PA lumen may abruptly increase right ventricular (RV) afterload. Recognition of PA sheath hematoma is important; when seen on echocardiography it is suggestive of AA dissection and has the potential to result in RV hypertension and dysfunction if significant PA compression occurs. [ABSTRACT FROM AUTHOR]

Dissection of the ascending aorta (AA) represents a life-threatening condition typically treated by emergent surgical repair. A rare, potential complication of AA dissection is pulmonary artery (PA) sheath hematoma. Due to the presence of a common adventitial layer between the proximal AA and the PA, dissection can propagate between both vessels, potentially compromising the PA lumen. The resultant acute narrowing of the PA lumen may abruptly increase right ventricular (RV) afterload. Recognition of PA sheath hematoma is important; when seen on echocardiography it is suggestive of AA dissection and has the potential to result in RV hypertension and dysfunction if significant PA compression occurs. [ABSTRACT FROM AUTHOR]

Background: Social media remains a growing platform for physicians to facilitate learning, network, and disseminate information. The Coronavirus Disease 2019 (COVID-19) pandemic has challenged traditional medical student recruitment and outreach. Instagram is a platform that can be used by residency programs to increase engagement and as a potential recruitment tool. The authors present social media failed and successful strategies used to increase engagement and gain new followers., Methods: In June 2020, an initiative began to use Instagram on a more frequent and intentional basis. Three different strategies were implemented during the pandemic: mirroring Twitter posts, increasing multimedia, and leveraging Instagram Stories. The outcomes of interest included number of followers and engagement on posts. Data were collected October 2020., Results: After June 1, 2020, the @mayoanesthesia account gained 1000 followers through 127 days, an average of 4.26 new followers each day. Before June 1, there were 24 total posts over 3.3 years with a total of 458 followers. Three different strategies were implemented at different times during the pandemic. During the mirroring Twitter posts period, the mean number of interactions per post was 14.5. During the second phase after separating the Twitter and Instagram strategy, the mean number of interactions per post increased to 57.8., Conclusion: Residency programs can creatively, yet methodically, use Instagram posts to increase social media engagement during resident recruitment season during the COVID-19 pandemic and likely beyond., Competing Interests: Conflicts of interest: The authors have no financial conflicts of interest to report., (© 2021 Society for Education in Anesthesia.)