Search results
Results from the WOW.Com Content Network
Arterial stiffness occurs as a consequence of biological aging and arteriosclerosis. [1] Inflammation plays a major role in arteriosclerosis development, and consequently it is a major contributor in large arteries stiffening. [ 2 ]
The theory of the velocity of the transmission of the pulse through the circulation dates back to 1808 with the work of Thomas Young. [9] The relationship between pulse wave velocity (PWV) and arterial wall stiffness can be derived from Newton's second law of motion (=) applied to a small fluid element, where the force on the element equals the product of density (the mass per unit volume ...
In hypertensive patients, a high pulse pressure can often be an indicator of conduit artery stiffness (stiffness of the major arteries). [12] When the arterial walls are stiffer (less compliant), the heart has to beat harder to overcome the resistance from the stiff arteries, resulting in an increased pulse pressure. [13]
This stiffness makes it difficult for your heart to fill with blood. ... Peripheral arterial disease is a blockage in the arteries that carry blood away from your heart. It usually develops in ...
The high pulse pressure in elderly people with hypertension or isolated systolic hypertension is explained by increased arterial stiffness, which typically accompanies aging and may be exacerbated by high blood pressure. [81] Many mechanisms have been proposed to account for the rise in peripheral resistance in hypertension.
A simple view of the hemodynamics of systemic arterial pressure is based around mean arterial pressure (MAP) and pulse pressure. Most influences on blood pressure can be understood in terms of their effect on cardiac output, [77] systemic vascular resistance, or arterial stiffness (the inverse of arterial compliance). Cardiac output is the ...
The arterial compliance - the amount of tension produced per stretch of arteries, decreases with age, and the stiffness of arteries increases with age. [3] The structural change in blood vessels causes the elderly to be more susceptible to hypertension, which leads to complications in arteries, the heart and even the brain. [citation needed]
In fact, marathon training can help to decrease stiffness in your arteries and combat high blood pressure, ... "Definition has to do more with your body composition than the strength itself." I.e ...