Question of the Week 428

{“questions”:{“silxl”:{“id”:”silxl”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Author: Melissa Colizza, MD – CHU Sainte-Justine, Montreal, Quebec \r\n\r\nA 4-year-old male with a history of hypoplastic left heart syndrome (HLHS) and previous bidirectional Glenn with extensive bilateral pulmonary artery reconstruction undergoes a fenestrated Fontan procedure. On post-operative day one, the blood pressure decreases gradually to 64\/32 from 92\/45 despite increased vasoactive support with epinephrine […]

Question of the Week 427

{“questions”:{“8uhfq”:{“id”:”8uhfq”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Author: Sana Ullah, MB ChB, FRCA – Children\u2019s Medical Center, Dallas \r\n\r\nWhat is the MOST COMMON syndrome associated with pulmonary arteriovenous malformations?”,”desc”:”EXPLANATION \r\nPulmonary arteriovenous malformations (AVMs) are structurally abnormal blood vessels which form direct communications between the pulmonary arterial and pulmonary venous circulations, producing a right-to-left shunt bypassing the alveolar gas exchange regions and the […]

Question of the Week 426

{“questions”:{“9erfa”:{“id”:”9erfa”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Author: Melissa Colizza, MD – CHU Sainte-Justine Montreal, Quebec \r\n\r\nA 7-year-old girl with suprasystemic idiopathic pulmonary hypertension is undergoing cardiac catheterization. During the procedure, the blood pressure decreases to 65\/35. Which of the following medications is MOST appropriate to treat the systemic hypotension? “,”desc”:”EXPLANATION \r\nPulmonary hypertension (PH) is one of the most important causes of […]

Question of the Week 425

{“questions”:{“9fe0e”:{“id”:”9fe0e”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Author: Melissa Colizza MD – CHU Saint-Justine, Montreal, Quebec \r\n\r\nA 2-year-old boy with Shone\u2019s complex, mild hypoplasia of the left ventricle, moderate mitral stenosis and moderate aortic regurgitation status-post balloon valvuloplasty of severe aortic valve stenosis is undergoing an elective Ross-Konno procedure and mitral valve repair. Which of the following factors is MOST likely associated […]

Question of the Week 424

{“questions”:{“lz52i”:{“id”:”lz52i”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Author: Destiny F. Chau, MD – Arkansas Children\u2019s Hospital \/University of Arkansas for Medical Sciences, Little Rock, AR \r\n\r\nA 19-year-old female with a history of Turner Syndrome, chronic hypertension and aortic coarctation repair in infancy presents for a surveillance cardiac MRI. She is recovering from a viral upper respiratory tract illness four weeks prior. On […]