![]() Textbook content produced by OpenStax Anatomy and Physiology is licensed under a Creative Commons Attribution License 4.0 license. Artery walls would have to become even thicker in response to this increased pressure.Īll content on this page was adapted from OER #2: If artery walls were rigid and unable to expand and recoil, their resistance to blood flow would greatly increase and blood pressure would rise to even higher levels, which would in turn require the heart to pump harder to increase the volume of blood expelled by each pump (the stroke volume) and maintain adequate pressure and flow. Their abundant elastic fibres allow them to expand as blood pumped from the ventricles passes through them, and then to recoil after the surge has passed. Hyperviscosity can be caused by your blood cells changing. Prediction of blood viscosity based on usual hematological parameters in a clinically healthy population living in a high-altitude city. It may also develop if you have irregularly shaped red blood cells. It may happen because you have too many red blood cells, white blood cells or blood proteins. ![]() Vessels larger than 10 mm in diameter are typically elastic. Hyperviscosity syndrome is a condition that occurs when your blood becomes so thick that your body's overall blood flow decreases. Huamaní, Charles, William Sarmiento, Golda Córdova-Heredia, Luz Cruz-Huanca, Paulina Damián-Saavedra, and Dario Antonio. Overview What is hyperviscosity syndrome Hyperviscosity syndrome occurs when your blood thickens so much that it doesn’t flow freely through your blood vessels. ![]() \)Įlasticity of vessel walls refers to the capacity to resume its normal shape after stretching and compressing. ![]()
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