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Ventricular aneurysm : ウィキペディア英語版 | Ventricular aneurysm
Ventricular aneurysms are one of the many complications that may occur after a heart attack (myocardial infarction). They usually arise from a patch of weakened tissue in a ventricular wall, which swells into a bubble filled with blood. This, in turn, may block the passageways leading out of the heart, leading to severely constricted blood flow to the body. Ventricular aneurysms can be fatal. They are usually non-rupturing because they are lined by scar tissue. Left ventricular aneurysm can be associated with ST elevation. ==Causes==
Ventricular aneurysms are usually aftereffects of myocardial infarctions. When the heart muscle (cardiac muscle) partially dies during a heart attack, a layer of muscle may survive, and being severely weakened, start to become an aneurysm. The blood may flow into the surrounding dead muscle and inflate the weakened flap of muscle into a bubble.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Ventricular aneurysm」の詳細全文を読む
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