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Doctor insights on: Peripheral Vasoconstriction

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What is peripheral vasoconstriction? How it affect blood pressure?

What is peripheral vasoconstriction? How it affect blood pressure?

Higher pressure: Tightening up of the blood vessels (arteries). Results in higher blood pressure and a narrowing of the pulse pressure (difference between the higher (systolic) and lower (diastolic) measurement. ...Read more

Vasoconstriction (Definition)

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


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Please explain why vasoconstriction happens in hypoxia?

Please explain why vasoconstriction happens in hypoxia?

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

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Can sodium channel blockers treat vasoconstriction and ED?

NO: 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

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Does vasoconstriction cause ed?

Not likely . . .: We/i think of vasoconstriction as temporary, rather than somewhat permanent. Erectile dysfunction is due to inadequate blood flow into the penis which can be due to plaque buildup from excess cholesterol as you've noted. Studies show that successful efforts at lowering heart disease risk also improve ed. Ps once blood gets into penis, you need vasoconstriction of venous return to stay erect. ...Read more

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How do you get vasoconstriction?

How do you get  vasoconstriction?

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

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What is the definition or description of: vasoconstriction?

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

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What is vasoconstriction? What is the real cause of it and how to avoid from getting it?

Blood vessel narrowi: Vasoconstriction refers to periodic narrowing of arteries. This is most commonly precipitated by cold weather, dehydration, certain medications, caffeine and some disease conditions. It is generally a reflexive response of arteries to cold weather etc. ...Read more

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How does hypoxemia cause vasoconstriction?

Reactive : When oxygen levels are low the peripheral vessels constrict and blood is preferentially shunted to the vital organs. ...Read more