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Point-of-care transthoracic echocardiography identified a large intracardiac mass causing dynamic left ventricular outflow tract obstruction. During intubation the patient suffered cardiac arrest, requiring advanced cardiopulmonary resuscitation. Urgent surgery confirmed an infiltrative cardiac sarcoma with positive margins, followed by favorable recovery with extubation and discontinuation of vasoactive agents within 24 hours. The case highlights the need for bedside echocardiography in unexplained cardiopulmonary symptoms.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/left-ventricular-sarcoma-causing-dynamic-outflow-tract-obstruction-and-cardiogenic-shock-a-case-report/454047/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/left-ventricular-sarcoma-causing-dynamic-outflow-tract-obstruction-and-cardiogenic-shock-a-case-report/454047.png","ImageObject",300,407,{"name":92,"@type":93},"Jake","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":52},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What led to the initial suspicion of a critical cardiac cause in the case?","Question",{"text":112,"@type":113},"The patient developed progressive dyspnea and then rapidly deteriorated into hemodynamic instability and respiratory failure. Point-of-care transthoracic echocardiography showed a large intracardiac mass causing dynamic LVOT obstruction.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How did the diagnosis and management change during intubation?",{"text":117,"@type":113},"During intubation, the patient experienced cardiac arrest and needed advanced cardiopulmonary resuscitation. This prompted urgent surgical intervention.",{"name":119,"@type":110,"acceptedAnswer":120},"Why is bedside echocardiography emphasized in the conclusion?",{"text":121,"@type":113},"The document states that early application of bedside echocardiography enabled prompt diagnosis and timely surgery, which was life-saving in this obstructive shock scenario.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},454047,1790763519,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":52,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":24,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":144,"preview_page_count":4},962084928904,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","Wiley  \nCase Reports in Critical Care  \nVolume 2026, Article ID 9317389, 5 pages [https://doi.org/10.1155/crcc/9317389](https://doi.org/10.1155/crcc/9317389)  \nCase Report  \nLeft Ventricular Sarcoma Causing Dynamic Outflow Tract Obstruction and Cardiogenic Shock: A Case Report  \nTomás de la Barra, 1 Mariana Navarro , 1 Pablo Regueira,2 Aníbal Zamorano,3 Marlon Ponce,3 Mario Portilla,4 Pablo Salazar,5 and Tomas Regueira 1,6  \n1Department of Intensive Care Medicine, Clínica Santa María, Santiago, Chile  \n2 Universidad del Desarrollo, Santiago, Chile  \n3Department of Cardiology, Clínica Santa María, Santiago, Chile  \n4Department of Anesthesiology, Clínica Santa María, Santiago, Chile  \n5Department of Cardiothoracic Surgery, Clínica Santa María, Santiago, Chile  \n6 Universidad San Sebastián, Santiago, Chile  \nCorrespondence should be addressed to Tomas Regueira; [tregueira@gmail.com](tregueira@gmail.com)  \nReceived 20 May 2025; Revised 14 October 2025; Accepted 3 December 2025  \nAcademic Editor: Lipi Buch  \nCopyright © 2026 Tomás de la Barra et al. Case Reports in Critical Care published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.  \nBackground: Primary cardiac sarcomas are rare and aggressive tumors that often present with nonspecific symptoms, typically diagnosed at advanced stages. Obstruction of the left ventricular outflow tract (LVOT) due to these tumors is an exceptionally rare and life-threatening complication.  \nCase Presentation: We describe the case of a previously healthy 33-year-old male who presented with progressive exertional dyspnea, orthopnea, and hemoptysis. Upon admission, he quickly developed hemodynamic instability and respiratory failure. Point-of-care transthoracic echocardiography revealed a large intracardiac mass causing dynamic LVOT obstruction. During intubation, the patient experienced cardiac arrest, necessitating advanced cardiopulmonary resuscitation. Urgent surgical intervention confirmed the presence of an infiltrative cardiac sarcoma with positive margins. The postoperative recovery was favorable, enabling extubation and withdrawal of vasoactive agents within 24h.  \nDiscussion: Cardiac sarcomas often mimic other cardiovascular conditions, complicating early diagnosis. Imaging techniques such as echocardiography and cardiac MRI are essential for detection and characterization. The prognosis for patients with cardiac sarcomas remains poor due to the tumors' infiltrative nature and high rates of recurrence; however, complete surgical resection is the cornerstone of treatment.  \nConclusion: This case underscores the necessity for clinical vigilance in patients presenting with unexplained cardiopulmonary symptoms. The early application of bedside echocardiography facilitated prompt diagnosis and timely surgical intervention, proving life-saving in this instance of obstructive shock due to a primary cardiac sarcoma.  \nKeywords: cardiac sarcoma; cardiac tumor; critical care; echocardiography; hemodynamic instability; left ventricular outflow tract obstruction  \n1. Background  \nPrimary cardiac sarcomas are a heterogeneous group of malignant tumors that originate from the connective tissues of the heart, including myocardium, endocardium, and pericardium. These tumors are rare, accounting for less than 5% of all primary cardiac tumors, and are more frequently  \nobserved in adults rather than children [1, 2] . Among these, the most common types include undifferentiated pleomorphic sarcoma, angiosarcoma, and rhabdomyosarcoma. The rarity of these tumors, coupled with their aggressive nature, often leads to delayed diagnosis and unfavorable outcomes. Patients with primary cardiac sarcomas typically present with nonspecific symptoms, such as dyspnea, chest pain,  \n2 Case Reports in Critical Care  \nfatigue, or palpitations, which can easi","cbCaiayLZ1OLH4lx","https://ap.wps.com/l/cbCaiayLZ1OLH4lx","pdf",1138119,"English","# Background\n# Case Presentation\n# Discussion\n# Conclusion","[{\"question\":\"What led to the initial suspicion of a critical cardiac cause in the case?\",\"answer\":\"The patient developed progressive dyspnea and then rapidly deteriorated into hemodynamic instability and respiratory failure. Point-of-care transthoracic echocardiography showed a large intracardiac mass causing dynamic LVOT obstruction.\"},{\"question\":\"How did the diagnosis and management change during intubation?\",\"answer\":\"During intubation, the patient experienced cardiac arrest and needed advanced cardiopulmonary resuscitation. This prompted urgent surgical intervention.\"},{\"question\":\"Why is bedside echocardiography emphasized in the conclusion?\",\"answer\":\"The document states that early application of bedside echocardiography enabled prompt diagnosis and timely surgery, which was life-saving in this obstructive shock scenario.\"}]","Left Ventricular Sarcoma Causing Dynamic Outflow Tract Obstruction and Cardiogenic Shock - A Case Report | PDF",1790740078,13]