What is a vasoconstrictor?
Vasoconstrict, also called vasopressor, is any substance that causes a layer of smooth muscles in the blood vessels, leading to shortening the diameter of the blood vessel. This causes an increase in vascular resistance or the amount of energy that requires blood to move through the blood vessels and an increase in blood pressure. Vasoconstrictes can be made endogenously or naturally in the body, such as antidiuretic hormone (ADH) and adrenaline. Vasoconstrictes can also be made exogenously or outside the body and be used as a medicine such as caffeine, pseudoephedrine, amphetamines and antihistamines. In the medical environment, such medicines are used as Decongestants, reagents to increase blood pressure and reagent for blood flow in a certain area into a certain area.
The purpose of the endogenic vasoconstrictor is to help maintain homeostasis, body balance that maintains all its processes in a set of safe parameters. Vasopresors will achieve this by helping thermoregulation or maintaining normal body temperature and fromabstaining hypotension. Hypotension or low blood pressure occurs due to too large vasodilation or opening of blood vessels, hormonal disturbances, anemia or lack of sufficient red blood cells, side effects of medicinal products and heart conditions.
The body normally releases vasopressors as it passes by orthostatic hypotension, a condition in which blood pools on the lower limbs when sitting or lying, causing a drop in blood pressure towards the head. This makes the head rush that some people experience while getting up. The body uses vasoconstrictors to push blood back with blood vessels towards the heart and head.
The body can also release vasoconstrictive when the outside temperature is cold and the body wants to maintain warmth. Because animals lose warm when blood travels to renumbers, vasopressors reduce blood flow to places such as fingers, fingers, fingers and nose to keep cAbout the most heat of the body. Sometimes the body has exaggerated colds, causing excessive vasoconstriction and whiteness in their hands or legs. This is called Raynaud's phenomenon.
If the body is unable to prevent hypotension, doctors can prescribe an exogenous vasoconstrictor to increase blood pressure. They can also use vasopressors to reduce blood flow to the local area. For example, many anesthetics include a vasoconstricator that narrows the blood vessel at the injection site, allowing the drug to enter the slowed bloodstream. Vasopressors can also be used to control bleeding or excessive bleeding. In demongestants and antihistamines, a cure for tightening blood vessels is working to prevent blood from causing inflammation.
vasoconstriction is also part of a combat or flight reaction, a physiological reaction to the stress -softening of a sympathetic nervous system. During this reaction, the nervous system triggers the release of chemicals, including vasoconstrictive hormones that cause the body to shake, the bladder is released, oThe straw to alternately redness and drain of colors, muscles, to be reactive, and pupils to stretch, among other things, save. This rush from vasoconstriction is sometimes prescribed and sometimes sought through recreational drugs such as cocaine or ecstasy.