Trombus

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Thrombus is an aggregation of blood cells in which the blood flow becomes so slow that the blood solidifies. Thrombi may occur anywhere in the body. In this article, only intracardiac thrombi is highlighted. Thrombus is the most common source of cardiac embolism. At least 10-20% of all strokes/TIAs are of cardiac origin. Pulmonary embolism (90-95%) originates in the deep venous system of the lower extremities.

Intracardiac thrombi
Percentage Location Comment
55% Left atrium When atrial fibrillation is preferably in the LAA
25% Left ventricular In akinesia/aneurysms
10% Art Valves Often lethal
Remaining Right sided
  • In VCSSP in coronary sinus
  • In Grawitz tumor VCI
  • Vegetation at TV
Aorta Atherosclerotic plaques


References

  1. Davison P, Clift PF, and Steeds RP. The role of echocardiography in diagnosis, monitoring closure and post-procedural assessment of patent foramen ovale. Eur J Echocardiogr. 2010 Dec;11(10):i27-34. DOI:10.1093/ejechocard/jeq120 | PubMed ID:21078836 | HubMed [1]
  2. EC Cheriex, "Left atrium and investigated", Hamer/Pieper, "Practical echocardiography", (2006), 1st edition 2nd edition, Wood, Bohn Stafleu of Loghum, p.42-53.

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