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Current Cardiology Reports

, 20:136 | Cite as

Role of Echocardiography in Assessment of Cardioembolic Sources: a Strong Diagnostic Resource in Patients with Ischemic Stroke

  • Luca Longobardo
  • Concetta Zito
  • Scipione Carerj
  • Giuseppe Caracciolo
  • Matt Umland
  • Bijoy K. Khandheria
Echocardiography (JM Gardin and AH Waller, Section Editors)
  • 133 Downloads
Part of the following topical collections:
  1. Topical Collection on Echocardiography

Abstract

Purpose of Review

This review will discuss the most frequent sources of cardiac embolism and the role of echocardiography in these different clinical settings, and, in addition, provide suggestions about the choice between transthoracic (TTE) and transesophageal echocardiography (TEE).

Recent Findings

Stroke is the third leading cause of death in industrial countries, and 15–40% of all ischemic strokes are due to cardioembolism. TTE and TEE are cornerstones in the detection of cardioembolic sources and provide fundamental information about the embolic risk and most suitable treatment of these patients, improving long-term outcomes.

Summary

Echocardiography is a widely available, inexpensive, and safe diagnostic tool that is almost free from contraindication, and these elements allow the common use of this technique in almost all the patients with ischemic stroke. The most common cardioembolic sources include left atrial appendage thrombosis during atrial fibrillation; vegetations in infective endocarditis; cardiac masses including left ventricular thrombosis, cardiac tumors, etc.; atherosclerotic plaques; and passageways within the heart serving as conduits for paradoxical embolization, e.g., patent foramen ovale.

Keywords

Stroke Cardioembolic sources Endocarditis Atrial fibrillation Thrombus Echocardiography 

Notes

Acknowledgments

The authors are grateful to Jennifer Pfaff and Susan Nord of Aurora Cardiovascular Services for editorial preparation of the manuscript.

Compliance with Ethical Standards

Conflict of Interest

Luca Longobardo, Concetta Zito, Scipione Carerj, Giuseppe Caracciolo, Matt Umland, and Bijoy K. Khandheria declare that they have no conflicts of interest.

Human and Animal Rights and Informed Consent

This article does not contain any studies with human or animal subjects performed by any of the authors.

Supplementary material

11886_2018_1085_MOESM1_ESM.avi (10.4 mb)
Video 1 Two-dimensional transesophageal echocardiography 2-chamber view showing a huge thrombus in the left atrial appendage in a 67-year-old patient with atrial fibrillation. Please note the dense spontaneous echo contrast. (AVI 10626 kb)
11886_2018_1085_MOESM2_ESM.avi (9.7 mb)
Video 2 Two-dimensional transesophageal echocardiography 2-chamber view showing an example of vegetation involving the posterior leaflet of the mitral valve in a 47-year-old patient with infective endocarditis. (AVI 9883 kb)
11886_2018_1085_MOESM3_ESM.avi (2.2 mb)
Video 3 Three-dimensional transesophageal echocardiography en face view showing a vegetation involving the posterior leaflet of the mitral valve. (AVI 2270 kb)
11886_2018_1085_MOESM4_ESM.avi (8.2 mb)
Video 4 Two-dimensional transthoracic echocardiography parasternal long-axis view showing a huge myxoma that originates from the interatrial septum and moves through the mitral valve from the left atrium to the left ventricle in diastole. (AVI 8353 kb)

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Luca Longobardo
    • 1
  • Concetta Zito
    • 1
  • Scipione Carerj
    • 1
  • Giuseppe Caracciolo
    • 2
  • Matt Umland
    • 2
  • Bijoy K. Khandheria
    • 2
    • 3
  1. 1.Department of Clinical and Experimental Medicine – Section of CardiologyUniversity of Messina, Azienda Ospedaliera Universitaria “Policlinico G. Martino” and Universita’ degli Studi di MessinaMessinaItaly
  2. 2.Aurora Cardiovascular ServicesAurora Sinai/Aurora St. Luke’s Medical CentersMilwaukeeUSA
  3. 3.Marcus Family Fund for Echocardiography (ECHO) Research and EducationMilwaukeeUSA

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