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Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels, particularly the large arteries and small arterioles. The process is the opposite of vasodilation, the widening of blood vessels. The process is particularly important in staunching hemorrhage ...Read more
Very unusual: Might be helpful to consult your internist. ...Read more
Not whole body: In fact more parts of the body will have vasodilation, as in organs and muscles you then resort to anaerobic respirations which causes Lactic Acid production and causes vasodilation. The skin on the other hand thee may be vasoconstriction to preserve the flow of oxygen to the essential organs. ...Read more
Are you referring to calcium channel blocker? The drugs you are talking about such as viagra (sildenafil) are Phosphodiesterase inhibitors. They will treat ed but I am not sure what you mean by vasoconstriction. The PDI's will prevent the release of blood from the organ prematurely and there by treat the ED.
See your doc for further info. ...Read more
Is it true that when vasoconstriction occurs there is less absorption of drugs bec. Of decreased permeability?
Vasoconstriction med: Yes.Get a more detailed answer ›
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Vasoconstriction: Vasoconstriction is a phenomenon where in the blood vessels constrict in response to various physiological or pathological factors. Constriction of vessel results in lesser blood flow and increases the blood pressure. It may occur in acute blood loss, cold environment, sepsis, septic shock, etc. ...Read more
See below: Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels, particularly the large arteries and small arterioles. The process is the opposite of vasodilation, the widening of blood vessels. The process is particularly important in staunching hemorrhage and acute blood loss. ...Read more
Midodrine: People react differently to the same dose of drugs, you should discuss with the dr. Who knows you. ...Read more
Temporary: Adderall is cleared quickly by the body and the vasoconstriction would resolve after clearance. Continued administration of the medication will likely result in the body adjusting so that the affect will not continue to occur. If it does then an alternative medication must be considered. Best regards. ...Read more
Arteries, not veins:
buerger's disease is a rare disorder associated with heavy smoking. ...Read more
Could dmaa be used in conjunction with l-theanine to counteract the dangerous vasoconstriction of dmaa?
Dmaa: Don't understand your abbreviations. It is dangerous to use them as they may be confused. Let's chat. ...Read more
Can monosodium glutamate cause vasoconstriction (to any degree in any part of the body) in some people?
No... not as yet: No clinical evidence suggests that MSG promotes, incites or exacerbates disease states such as hypertension. When used as a seasoner to foods such as soups it's presence allows for up to 30-40% reduction of sodium chloride, which can exacerbate disease such as congestive heart disease. ...Read more
Are alpha, beta or calcium channel blockrs best for severe vasoconstriction that happens when person stands up, exercises, gets cold, or other activities?
Calcium: Channel blockers preferred for vasospasm.Get a more detailed answer ›
Epinephrine: Complex interaction. If you were to assume that vessels and heart were entirely independent, you might postulate that heart rate could slow down after vasoconstriction since there is less tubing to pump through. But the chemicals that mediate vasoconstriction also mediate heart rate and force of contraction so that they usually rise in parallel. ...Read more
How does propranalol prevent migraines? By causing vasoconstriction? Or by some other method? What would that be?
How does chronic vasoconstriction in the brain affect it? What are the lasting detrimental affects? Please elaborate
Vasoconstriction refers to narrowing or arteries. This reduces blood flow. The brain needs blood flow. When it is working, blood flow increases to areas to higher metabolism.
It's not clear what condition causes chronic vasoconstriction. Atherosclerosis narrows some of the important arteries to the brain, and often this increases the risk of stroke. ...Read more
Can you tell me about epinephrine stimulates a1 and b2 receptors. Does this lead to both vasoconstriction and vasodilation?
Adrenergic receptors: Hi. Epi stimulates vascular alpha-1 and beta-2 receptors, so yes, there is both vasoconstriction & vasodilation (so you see pulse width widen). Epi also stimulates cardiac beta-1 receptors and speeds up the heart rate. Not a question we commonly see...what makes you ask? Do you have a pheo? Good luck? ...Read more
If pt ganglion provides vascular parasympathetics (=vasoconstriction), then how does pt ganglion block (=vasodialation), decrease cluster ha?
Discuss with MD: Transnasal sphenopalatine ganglion (spg) block injections have been helpful in migraines but have also had positive results in treating medication- resistant cluster headaches. A number of surgical treatments have been attempted in cases of cluster ha resistant to pharmacologic therapy, of which spg blockade has been shown to have the most successful results. ...Read more
If the caffeine cause vasoconstriction of the kidney then the glumerolus is also vasoconstricted, then why do we void a lot if we drink coffee?
Difference in vessel: This is a protective mechanism. The vessels in the brain don't have as much ability to contract compared to peripheral blood vessels. The brain is the main server of the body and has to be protected to keep the rest of the body functioning. The peripheral vessels constricting causes shunting of the blood towards the path of least resistance. ...Read more
Cure not likely: The mainstay of treatment is to avoid doing things that make your vasoconstriction worse. So, avoid caffeine, nicotine, cold and stress. Also avoid otc cold meds, beta blockers for high blood pressure and certain birth control pills. If medication is needed, calcium channel blockers, Alpha blockers, and vasodilators like Nitroglycerin and several other drugs. Unfortunately nothing is a cure. ...Read more
Just started my midodrine for dysautonomia. When I feel my pulse I can't feel it as much is this from vasoconstriction? I feel better!
I read that psuedophedrine's mode of action is vasoconstriction (narrowing in arteries). So does this mean that it causes arteriosclerosis?
No: Vessels narrowing, is temporary through smooth muscle contraction in the vessels wall. While arteriosclerosis, stands for hardening of the vessel walls due to deposition of fat / calcium, that's why people with hypertension better not take pseudoephedrine which can raise their blood pressure further, wish you wellness ...Read more
If someone had excessive vasoconstriction in their arm but not anywhere else would the blood pressure reareading be wrong and show too high?
When I use a waterpik daily should the water be cold for vasoconstriction or warm so the water moves quickly beneath the gums to reach deeper?
Room temperature: Never set higher than medium. The important things consistency, use it regularly, and follow a pattern rather than skipping around. ...Read more
Have POTS Syndrome! Feel better after having hot showers. Light sensitivity amongst other symptoms alleviated. Possible excessive vasoconstriction?
Would be odd:
It would be odd for hot showers to improve POTS symptoms. Usually, it's the other way 'round. If someone had the so-called "hyperadrenergic POTS' it is possible hot showers would be helpful.
Regardless, if you feel better and your symptoms improve...shower away! (You do have to get out of the shower at some point, of course....) ...Read more
Could sodium channel blockers help w/ angina and vasoconstriction? I Read about Ranolazine, sounds promising for angina, any experience? Vasodilation?
Does an adrenaline surge (from anxiety or exercise) when taking a non-selective B-blocker cause coronary vasoconstriction? Selective B1-blckr better?
Beta blockers: B blockers are used to treat angina caused by coronary disease, and they are effective. They reduce heart rate and the workload of the heart, including response to exercise. With very high norepinephrine conditions, eg. pheochromocytoma, blocking beta can cause unopposed alpha and raise BP. But that is a very rare condition. ...Read more
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