Congenital Cardiac Anesthesia Society
A Section of the the Society for Pediatric Anesthesia

{“questions”:{“xbdu6”:{“id”:”xbdu6″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Author: Michael A. Evans, MD \u2013 Ann & Robert H. Lurie Children\u2019s Hospital of Chicago, Northwestern Feinberg School of Medicine\r\n\r\nA 12-month-old boy presents for planned myringotomy and tympanostomy tube placement for otitis media. A mid-systolic murmur is auscultated at the left lower sternal border that becomes louder when the child bears down. Based on this child\u2019s murmur, which of the following echocardiographic findings is MOST LIKELY to be found?\r\n”,”desc”:””,”hint”:””,”answers”:{“cwk5i”:{“id”:”cwk5i”,”image”:””,”imageId”:””,”title”:”A. Patent ductus arteriosus”},”10jnp”:{“id”:”10jnp”,”image”:””,”imageId”:””,”title”:”B. Aortic Stenosis”},”ddkgs”:{“id”:”ddkgs”,”image”:””,”imageId”:””,”title”:”C. Asymmetric septal hypertrophy”,”isCorrect”:”1″},”iyqh1″:{“id”:”iyqh1″,”image”:””,”imageId”:””,”title”:”D. Normal echocardiogram”}}}},”results”:{“4aqbt”:{“id”:”4aqbt”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:”The murmur present in patients with hypertrophic cardiomyopathy (HCM) can easily be confused with the benign Still\u2019s murmur as both are vibratory mid-systolic murmurs that are loudest at the apex or left lower sternal border. However, the murmur of HCM becomes louder with Valsalva, and a Still\u2019s murmur lessens or even disappears with Valsalva. The Valsalva maneuver results in an acute increase in intrathoracic and intraabdominal pressure that results in decreased venous return to the heart with subsequently decreased preload. The decrease in preload leads to a decreased left ventricular end-diastolic volume (LVEDV). This decreased LVEDV worsens left ventricular outflow tract obstruction (LVOTO) in patients with obstructive HCM, which increases the severity of the murmur. Patients with asymmetric septal hypertrophy due to hypertrophic obstructive cardiomyopathy will have a murmur similar to the patient in the question. \r\n\r\nStill\u2019s murmur refers to a benign murmur that is thought to be the result of elevated flow across the aortic valve in high cardiac output or high contractility states. Still\u2019s murmur is frequently found in young children but often disappears in adolescents. It is often described as \u201cmusical\u201d or \u201cvibratory\u201d in quality. \r\n\r\nThe murmur of aortic stenosis is a systolic ejection murmur that is best auscultated at the right upper sternal border with radiation to the carotid arteries. The intensity decreases with Valsalva as the decreased LVEDV results in decreased transvalvular flow, which decreases the severity of the murmur. Additionally, the murmur of HCM does not radiate to the carotids. \r\n\r\nA patent ductus arteriosus produces a machine-like murmur heard continuously throughout systole and diastole at the left upper sternal border. It is often described as a crescendo-decrescendo murmur with a crescendo in systole and decrescendo into diastole. \r\n\r\n\r\nReferences \r\n1. Sumski CA, Goot BH. Evaluating Chest Pain and Heart Murmurs in Pediatric and Adolescent Patients. Pediatr Clin North Am<\/em>. 2020; 67(5): 783-799. \r\ndoi:10.1016\/j.pcl.2020.05.003 \r\n\r\n2. Biancaniello T. Innocent murmurs. Circulation<\/em>. 2005; 111(3): e20-22. \r\ndoi: 10.1161\/01.CIR.0000153388.41229.CB. PMID: 15668345. \r\n\r\n3. Salazar SA, Borrero JL, Harris DM. On systolic murmurs and cardiovascular physiological maneuvers. Adv Physiol Educ<\/em>. 2012; 36(4): 251-256. doi:10.1152\/advan.00128.2011 \r\n\r\n4. Frank JE, Jacobe KM. Evaluation and management of heart murmurs in children. Am Fam Physician<\/em>. 2011; 84(7): 793-800. \r\n\r\n5. Stein PD, Sabbah HN. Aortic origin of innocent murmurs. Am J Cardiol<\/em>. 1977; 39(5): 665-671. doi:10.1016\/s0002-9149(77)80126-4 \r\n”,”redirect_url”:””}}}

{“questions”:{“lbzwo”:{“id”:”lbzwo”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Author: Michael A. Evans, MD \u2013 Ann & Robert H. Lurie Children\u2019s Hospital of Chicago, Northwestern Feinberg School of Medicine\r\n\r\nA previously healthy 8-year-old male presents with three days of high fever, diarrhea, and abdominal pain. On exam, he exhibits conjunctivitis, cracked lips, and edema of the hands and feet. Both parents had positive SARS-CoV-2 nasopharyngeal swabs. You suspect Multisystem Inflammatory Syndrome in Children (MIS-C). Which of the following common cardiovascular manifestations of MIS-C is MOST LIKELY to be found in this patient? \r\n”,”desc”:””,”hint”:””,”answers”:{“eayn2”:{“id”:”eayn2″,”image”:””,”imageId”:””,”title”:”A. Elevated Troponin > 0.2 ng\/ml “},”8hbuv”:{“id”:”8hbuv”,”image”:””,”imageId”:””,”title”:”B. B-type natriuretic peptide (BNP) > 400 ng\/L “,”isCorrect”:”1″},”put4o”:{“id”:”put4o”,”image”:””,”imageId”:””,”title”:”C. Left Ventricular Ejection Fraction < 55% "},"w8tba":{"id":"w8tba","image":"","imageId":"","title":"D. Coronary Aneurysm > 2.5mm”}}}},”results”:{“w2853”:{“id”:”w2853″,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:”In the largest case-series of children diagnosed with Multisystem Inflammatory Syndrome in Children (MIS-C) published to date, 80% of patients had cardiovascular involvement. Of those with cardiovascular findings: 73% had B-type natriuretic peptide (BNP) > 400 ng\/L, 50% had elevated troponin, and 8% had coronary aneurysms > 2.5mm on echocardiography. Beyond elevated BNP and troponin, elevations in C-reactive protein (CRP), procalcitonin (PCT), and erythrocyte sedimentation rate (ESR) are typically found in patients with MIS-C.\r\n\r\nMany other smaller case-series of MIS-C patients have been reported in the literature. The incidence of ventricular dysfunction has varied widely from 35-100% of children diagnosed with MIS-C depending on the publication. Six to fourteen percent of these patients did not fully recover their LV function prior to hospital discharge. Forty-eight percent of patients with cardiac involvement require vasoactive support, and 80% of all children diagnosed with MIS-C require intensive care. Two percent of children with MIS-C die.\r\n\r\nIn a report of 186 pediatric patients diagnosed with SARS- CoV-2, the most predominant organ systems involved in MIS-C were gastrointestinal (92%), cardiovascular (80%), hematologic (76%), and mucocutaneous (74%). This was followed by respiratory involvement in 70% of pediatric patients. This differs from the incidences of organ system involvement in adults diagnosed with SARS-CoV-2. \r\n\r\nReferences\r\n1. Feldstein LR, Rose EB, Horwitz SM, et al. Multisystem Inflammatory Syndrome in U.S. Children and Adolescents. N Engl J Med<\/em>. 2020; 383(4): 334-346. doi:10.1056\/\r\n\r\n2. Sperotto F, Friedman KG, Son MBF, VanderPluym CJ, Newburger JW, Dionne A. Cardiac manifestations in SARS-CoV-2-associated multisystem inflammatory syndrome in children: a comprehensive review and proposed clinical approach. Eur J Pediatr<\/em>. 2021; 180(2): 307-322.\r\n\r\n3. Riphagen S, Gomez X, Gonzalez-Martinez C, Wilkinson N, Theocharis P. Hyperinflammatory shock in children during COVID-19 pandemic. Lancet<\/em>. 2020; 395(10237): 1607-1608. doi:10.1016\/S0140-6736(20)31094-1\r\n\r\n4. Belhadjer Z, M\u00e9ot M, Bajolle F, et al. Acute Heart Failure in Multisystem Inflammatory Syndrome in Children in the Context of Global SARS-CoV-2 Pandemic. Circulation<\/em>. 2020; 142(5): 429-436. doi:10.1161\/CIRCULATIONAHA.120.048360 \r\n\r\n5. Verdoni L, Mazza A, Gervasoni A, et al. An outbreak of severe Kawasaki-like disease at the Italian epicentre of the SARS-CoV-2 epidemic: an observational cohort study. Lancet<\/em>. 2020; 395(10239): 1771-1778. doi:10.1016\/S0140-6736(20)31103-X\r\n\r\n6. National Center for Immunization and Respiratory Diseases (NCIRD). Health Department-Reported Cases of Multisystem Inflammatory Syndrome in Children (MIS-C) in the United States. Centers for Disease Control and Prevention. https:\/\/www.cdc.gov\/mis-c\/cases\/index.html. Updated March 29, 2021. Accessed April 25, 2021.\r\n”,”redirect_url”:””}}}

{“questions”:{“1hy2x”:{“id”:”1hy2x”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Author: Michael A. Evans, MD \u2013 Ann & Robert H. Lurie Children\u2019s Hospital of Chicago \r\n\r\nA Hispanic male presents to the emergency room with tachypnea and a fever of 40\u00b0 Celsius. A SARS-CoV-2 RT-PCR is positive. Blood tests reveal an elevated C-reactive protein (CRP) and B-type natriuretic peptide (BNP). Which of the following age groups does this patient MOST LIKELY belong to based on the demographics of patients with Multisystem Inflammatory Syndrome in Children (MIS-C)?”,”desc”:””,”hint”:””,”answers”:{“fguqd”:{“id”:”fguqd”,”image”:””,”imageId”:””,”title”:”A. 1 to 4 years of age “},”2zjho”:{“id”:”2zjho”,”image”:””,”imageId”:””,”title”:”B. 5 to 9 years of age”,”isCorrect”:”1″},”30hoh”:{“id”:”30hoh”,”image”:””,”imageId”:””,”title”:”C. 10 to 14 years of age”},”7woxs”:{“id”:”7woxs”,”image”:””,”imageId”:””,”title”:”D. 15 to 20 years of age”}}}},”results”:{“10x4t”:{“id”:”10x4t”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:”According to the Centers for Disease Control and Prevention (CDC) as of May 2021, the majority of the 3742 cases of MIS-C have occurred in children and adolescents between the ages of one and fourteen years old with a median of nine years. There have been 35 MIS-C deaths to date. The cases are broken down by age group in the following table. \r\n\r\nAge Range——————————-% of Cases\r\nLess than 1 year of age——————3%\r\n1 to 4 years of age———————–21%\r\n5 to 9 years of age———————–34%\r\n10 to 14 years of age———————27%\r\n15 to 20 years of age———————15%\r\n\r\nMIS-C has a slight predominance in males (60% of cases) and children of Hispanic\/Latino descent (33%) or Black\/Non-Hispanic descent (30%) versus White\/Non-Hispanic descent (28%).\r\n\r\nThe diagnostic criteria for MIS-C are as follows:\r\n\u2022\tPatient aged <21 years with fever or history of fever and laboratory evidence of inflammation [elevated C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), fibrinogen, procalcitonin, d-dimer, ferritin, lactic acid dehydrogenase (LDH), interleukin 6 (IL-6), or neutrophils; reduced lymphocytes, or low albumin], and evidence of clinically severe illness requiring hospitalization with multisystem organ involvement (\u22652 of the following systems: cardiac, respiratory, renal, gastrointestinal, neurologic, hematologic, or dermatologic), AND\r\n\u2022\tCurrent or recent SARS-CoV-2 infection or COVID-19 exposure within 4 weeks of symptom onset, AND\r\n\u2022\tNo alternative plausible diagnoses\r\n\r\nReferences\r\n1. National Center for Immunization and Respiratory Diseases (NCIRD). Health Department-Reported Cases of Multisystem Inflammatory Syndrome in Children (MIS-C) in the United States. Centers for Disease Control and Prevention. https:\/\/www.cdc.gov\/mis-c\/cases\/index.html. Updated May 11, 2021. Accessed May 16, 2021.\r\n\r\n2. Belhadjer Z, Meot M, Bajolle F, et al. Acute Heart Failure in Multisystem Inflammatory Syndrome in Children in the Context of Global SARS-CoV-2 Pandemic. Circulation<\/em>. 2020; 142(4): 429\u2013436.\r\n\r\n3. National Center for Immunization and Respiratory Diseases (NCIRD). Information for Healthcare Providers about Multisystem Inflammatory Syndrome in Children (MIS-C). Centers for Disease Control and Prevention. https:\/\/www.cdc.gov\/MIS-C\/hcp\/. Updated February 21, 2021. Accessed May 16, 2021.\r\n\r\n”,”redirect_url”:””}}}

{“questions”:{“6stzd”:{“id”:”6stzd”,”mediaType”:”video”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:”https:\/\/ccasociety.org\/wp-content\/uploads\/2017\/02\/Video-20-TEE-ME-LAX-PR.mp4″,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Is this a thing?\r\n\r\nWe’re trying to see if this is a thing.\r\n\r\nWe hope it is.\r\n\r\nIf not, we must define what this is.


Or not!”,”desc”:”We’re trying to see if this is a thing.\r\n\r\nWe hope it is.\r\n\r\nIf not, we must define what this is.


Or not!”,”hint”:”here’s a hint: it might be”,”answers”:{“1666g”:{“id”:”1666g”,”image”:””,”imageId”:””,”title”:”This is not a thing”},”wbzru”:{“id”:”wbzru”,”image”:””,”imageId”:””,”title”:”This is a thing”,”isCorrect”:”1″},”6psaw”:{“id”:”6psaw”,”image”:””,”imageId”:””,”title”:”I don’t know what a thing is”}}}},”results”:{“2e8fm”:{“id”:”2e8fm”,”title”:”Results Section”,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:”Turns out things are things”,”redirect_url”:””}}}