McConnell Sign in a Patient with Massive Acute Pulmonary Embolism.

Case Rep Cardiol

Cardiology Division, Department of Medicine, The University of Toledo Medical Center, 3000 Arlington Avenue, Toledo, OH 43614, USA.

Published: May 2014

A 48-year-old female was admitted after experiencing a brief syncopal episode. Three weeks ago the patient sustained a right arm humerus bone fracture in a motor vehicle accident. Since the accident, her mobility has been limited. CT angiogram of the chest revealed massive bilateral pulmonary emboli. A 2D echocardiogram was performed, which demonstrated McConnell sign and severe right ventricle dysfunction. Considering potential of hemodynamic instability, the patient received fibrinolytic therapy with Alteplase. A subsequent 2D echocardiogram showed complete resolution of McConnell sign and right ventricle dysfunction.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4008391PMC
http://dx.doi.org/10.1155/2011/201097DOI Listing

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Article Synopsis
  • The study aimed to explore the effectiveness of McConnell's sign in predicting normotensive shock in patients with intermediate-risk pulmonary embolism (PE).
  • Researchers analyzed patients who received percutaneous mechanical thrombectomy and defined normotensive shock based on specific blood pressure and cardiac output metrics.
  • Results showed that McConnell's sign was associated with higher instances of normotensive shock and other indicators of poor outcomes, suggesting it could be a valuable predictive tool, though further research is needed to confirm these findings.
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