Question of the Week 569

{“questions”:{“78hed”:{“id”:”78hed”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Authors: Maxwell James, MD \u2013 University of Mississippi Medical Center AND\r\nStephanie N. Grant, MD, FAAP \u2013 Emory University School of Medicine\/ Children\u2019s Healthcare of Atlanta \r\n\r\nA six-month old female with hypoxemia and elevated mean pulmonary artery pressure (mPAP) is undergoing a diagnostic cardiac catheterization. She demonstrates reactivity during acute vasodilator testing with an improvement in […]

Question of the Week 568

{“questions”:{“hv97h”:{“id”:”hv97h”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Authors: Jocelyn Matheson, MD AND Emily Nasser, MD – Medical University of South Carolina, Charleston, SC \r\nA 9-month-old 7-kg infant with Glenn physiology presents to urgent care with stridor and relative hypoxia secondary to viral croup. He experiences loss of consciousness while being evaluated and is found to be in pulseless ventricular tachycardia. A colleague […]

Question of the Week 567

{“questions”:{“d6y3g”:{“id”:”d6y3g”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Author: Kaitlin M. Flannery, MD, MPH – Stanford University \r\n\r\nA 16-year-old, 70 kg patient with a history of orthotopic heart transplantation for dilated cardiomyopathy presents with acute rejection secondary to medication noncompliance. During hospitalization, the patient is noted to have intermittent high-grade second-degree atrioventricular block (AV block), particularly during sleep. Permanent pacemaker implantation is recommended, […]

Question of the Week 566

{“questions”:{“v59jm”:{“id”:”v59jm”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Authors: Megan Quinn, MD, MPH – Stanford University AND Kaitlin M. Flannery, MD, MPH – Stanford University \r\nFollowing aortic arch reconstruction, a 2-month-old continues to experience multisystemic lymphatic failure characterized by high-volume chylous chest tube output, anasarca, and refractory respiratory failure. Maximum medical treatment has been unsuccessful. Dynamic contrast magnetic resonance lymphangiography (DCMRL) revealed thoracic […]

Question of the Week 565

{“questions”:{“cx6rg”:{“id”:”cx6rg”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Authors: Kaitlin M. Flannery, MD, MPH – Stanford University AND Aidan E. Tait, MD – Stanford University \r\n\r\nA full-term, 3.3kg, neonate with hypoplastic left heart syndrome (HLHS) underwent hybrid palliation (bilateral pulmonary artery bands [PABs] and patent ductus arteriosus [PDA] stenting) at day-of-life 3. Hybrid palliation was selected due to a severely hypoplastic ascending aorta […]