Portal:Cardiovascular system

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Cardiovascular system

The cardiovascular system, also called the circulatory system or the vascular system, is an organ system that permits blood to circulate and transport nutrients (such as amino acids and electrolytes), oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment and help in fighting diseases, stabilize temperature and pH, and maintain homeostasis. It also includes includes the lymphatic system, which circulates lymph.

Autonomic nervous system dysfunction resulting in orthostatic intolerance (e.g., Postural orthostatic tachycardia syndrome and orthostatic hypotension), low blood volume, preload failure and other circulatory issues are all thought to contribute to the symptoms of ME. (more...)

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A drawing of a healthy heart.

Small heart syndrome causes weakness or fatigue even after ordinary exertion, heart palpitation, dyspnea, and fainting. Miwa and Fujita have shown that it is significantly more common in people with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome. (more...)

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Kenny de meirleir.jpg

Professor Kenny L. De Meirleir is a Belgian Internal Medicine doctor who specializes in ME/CFS. He frequently partners with numerous myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) researchers in the EU, UK, US, and Australia to further the understanding of the pathophysiology of ME/CFS. He was an editor of the former Journal of Chronic Fatigue Syndrome.(more...)

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HPA axis.png
Hypothalmic-pituitary-adrenal axis
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