Search Results 1-10 of 15132 for Vasoconstriction

  1. Vasovagal syncope - Symptoms and causes - Mayo Clinic

    A cold, clammy sweat; Blurred vision. During a vasovagal syncope episode, bystanders may notice: Jerky, abnormal movements; A slow, weak pulse; Dilated pupils.

  2. Small vessel disease - Symptoms & causes - Mayo Clinic

    Also called coronary microvascular disease, this type of heart disease can be hard to detect. Know the symptoms and how it's diagnosed and treated.

  3. The Effect of Intranasal Vasoconstrictor Medications on Hemodynamic Parameters: A Randomized Double-blind, Placebo-controlled Trial. - Mayo Clinic

    The Effect of Intranasal Vasoconstrictor Medications on Hemodynamic Parameters: A Randomized Double-blind, Placebo-controlled Trial. · More about research at ...

  4. Renal artery stenosis - Symptoms and causes - Mayo Clinic

    Read more about what happens when the arteries leading to your kidneys become narrowed, as well as potential treatments for this condition.

  5. Intestinal ischemia - Symptoms and causes - Mayo Clinic

    Learn about what happens when blood flow to part of the small or large intestine is blocked, and how this serious condition is treated.

  6. Effect of Topical Phenylephrine 2.5% on EVP in Normal Human Eyes - Mayo Clinic

    Since phenylephrine is a vasoconstrictor, it may affect episcleral venous tone, but the effect on EVP is unknown. Understanding the physiology of episcleral ...

  7. Varicocele - Symptoms and causes - Mayo Clinic

    Find out how this condition involving the enlargement of veins in the scrotum can affect sperm quality and production.

  8. Vasodilators - Mayo Clinic

    Vasodilators are medicines that open, also called dilate, blood vessels. Vasodilators affect the muscles in the walls of the arteries and veins.

  9. Coronary artery spasm: Cause for concern? - Mayo Clinic

    The condition causes chest pain, called angina. During a coronary artery spasm, less blood flows to the heart. Other names for coronary artery spasms are:.

  10. Pulmonary hypertension - Symptoms and causes - Mayo Clinic

    This lung condition makes the heart work harder and become weak. Changes in genes and some medicines and diseases can cause it. Know if you're at risk.