Thrombi within the right heart chambers may form locally or migrate from the venous circulation; they are found most commonly in the RA.653 As opposed to the laminar, relatively immobile nature of RA thrombi that form in situ, venous thromboemboli trapped in the RA tend to be serpentine and mobile.649 The potential for pulmonary embolism is high.654 Thrombi also can be seen within the main pulmonary arteries, although they are less well visualized by TTE than TEE.655 RV thrombi are rare but may occur with RV infarction and endomyocardial fibrosis.656,657 Their appearance is similar to that of LV thrombi.
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.