ANEURYSM

Posted on May 8th, 2008 by guideheartdisease

An aneurysm is a localized dilation, or bulging, in an artery. Aneurysms can occur anywhere, but they are most common and most troublesome when they are in a cerebral artery or in the aorta. Atherosclerosis and high blood pressure may both cause a portion of the muscular layer of the artery wall to degenerate, allowing […]

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STRUCTURE AND FUNCTIONING

Posted on April 25th, 2008 by guideheartdisease

The heart is divided into four main chambers : each one is a bag of muscles with walls that are able to contract in order to push blood out. Each wall’s thickness varies according to the amount of work it does. The walls of the left ventricle are the thickest because it does most of […]

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