Discussion Author(s): Primary Author: Jason Messinger
Contributing: Eric Jones
An aneurysm is a bulge in the wall of a vessel or the heart which results when a part of the vascular or myocardial wall is rarified or weakened.
Ventricular aneurysms tend to occur as a result of some previous condition including trauma, myocardial infarction, surgical intervention, or congenital absence of the pericardium. Ventricular aneurysms can be fatal do to possibility of rupture. This is more likely to occur with right ventricular aneurysms, as the wall of the right ventricle is already quite thin in relation to the left. Most ventricular aneurysms occur at the cardiac apex,
Thrombi can form in aneurysms due to stagnation of flow. These thrombi can subsequently embolize to the systemic circulation in the case of left sided aneurysms and to the lungs in the case of right sided aneursyms.
Ventricular aneurysms most commonly present in the left ventricle. The occurrence of right ventricular aneurysms is very rare.
ECG synchronized CT, MRI, or Echocardiography all can be used to diagnose right ventricular aneurysms. MRI is preferable, due to its excellent spacial and temporal resolution as well as its ability to detect and characterize abnormalities of wall thickening and flow.
Depending on the reason and location of ventricular aneurysm, patients may be given treatments ranging from anticoagulation to surgical resection.
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