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Vasodilatory shock, vasogenic shock, or vasoplegic shock is a medical emergency belonging to shock along with cardiogenic shock, septic shock, allergen-induced shock and hypovolemic shock. When the blood vessels suddenly relax, it results in vasodilation. In vasodilatory shock, the blood vessels are too relaxed leading to extreme vasodilation ...
Vasodilation, also known as vasorelaxation, is the widening of blood vessels. [ 1 ] It results from relaxation of smooth muscle cells within the vessel walls, in particular in the large veins, large arteries, and smaller arterioles. [ 2 ] Blood vessel walls are composed of endothelial tissue and a basal membrane lining the lumen of the vessel ...
Risk of death 20 to 50% [ 3 ] Frequency. 1.2 million per year (US) [ 3 ] Shock is the state of insufficient blood flow to the tissues of the body as a result of problems with the circulatory system. [ 1 ][ 2 ] Initial symptoms of shock may include weakness, fast heart rate, fast breathing, sweating, anxiety, and increased thirst. [ 1 ]
Vasodilation is a vital function that allows blood vessels to relax, increase blood flow, and lower blood pressure. It can happen naturally, through certain medications, or by various supplements ...
Vasculitis is a group of disorders that destroy blood vessels by inflammation. [2] Both arteries and veins are affected. Lymphangitis (inflammation of lymphatic vessels) is sometimes considered a type of vasculitis. [3] Vasculitis is primarily caused by leukocyte migration and resultant damage.
Pimobendan (INN, or pimobendane), sold under the brand name Vetmedin among others, is a veterinary medication. It is a calcium sensitizer and a selective inhibitor of phosphodiesterase 3 (PDE3) with positive inotropic and vasodilator effects. Pimobendan is used in the management of heart failure in dogs, most commonly caused by myxomatous ...
Nitric oxide (nitrogen monoxide) is a molecule and chemical compound with chemical formula of N O. In mammals including humans, nitric oxide is a signaling molecule involved in several physiological and pathological processes. [1] It is a powerful vasodilator with a half-life of a few seconds in the blood.
Some causes of orthostatic hypotension include neurodegenerative disorders, low blood volume (e.g. caused by dehydration, bleeding, or the use of diuretics), drugs that cause vasodilation, other types of drugs (notably, narcotics and marijuana), discontinuation of vasoconstrictors, prolonged bed rest (immobility), significant recent weight loss ...