Raynaud’s Syndrome: Symptoms, Causes & Treatment - Cleveland Clinic
2022年8月29日 · Raynaud’s (pronounced ray-nodes) syndrome is a disorder that affects small blood vessels in your fingers and toes. It may also affect blood vessels in your nose, lips or ear lobes. Raynaud’s causes you to have episodic spasms, called vasospastic attacks, in response to cold temperatures or stress.
Raynaud's disease - Symptoms and causes - Mayo Clinic
2024年11月16日 · Raynaud's (ray-NOSE) disease causes some areas of the body — such as fingers and toes — to feel numb and cold in response to cold temperatures or stress. In Raynaud's disease, smaller blood vessels that supply blood to the skin narrow. This limits blood flow to affected areas, which is called vasospasm.
Raynaud’s Disease & Syndrome: Symptoms, Causes, Treatment - WebMD
2024年5月7日 · Raynaud’s disease, also called Raynaud's syndrome or Raynaud's phenomenon, is when blood vessels in your fingers, toes, and other extremities temporarily overreact to low temperatures or...
Raynaud's Phenomenon or Disease Treatment & Types | NIAMS
Raynaud’s phenomenon happens when episodes or “attacks” affect certain parts of the body, especially the fingers and toes, causing them to become cold and numb, and change colors. Exposure to cold temperatures is the most common trigger, such as grabbing hold of a glass of ice water or taking something out of the freezer.
Raynaud's Phenomenon - Johns Hopkins Medicine
Raynaud's phenomenon is a disorder that causes decreased blood flow to the fingers. In some cases, it also causes less blood flow to the ears, toes, nipples, knees, or nose. Spasms of blood vessels happen in response to cold, stress, or emotional upset.
Raynaud Disease - StatPearls - NCBI Bookshelf
2023年8月8日 · In Raynaud phenomenon, blood-flow restriction occurs during cold temperatures and emotional stress. Specifically, in Raynaud phenomenon, there is vasoconstriction of the digital arteries and cutaneous arterioles. This phenomenon was first described by Maurice Raynaud in 1862 and later studied by Sir Thomas Lewis in 1930.
Raynaud's Phenomenon & Raynaud's Syndrome | HSS …
2023年8月10日 · What is the difference between Raynaud's phenomenon and Raynaud's syndrome? Raynaud’s phenomenon refers to episodic skin color changes caused by cold temperatures, most commonly found in the ends of the fingers. Sometimes, Raynaud’s is referred to as Raynaud’s syndrome.
Raynaud Phenomenon | Raynaud's Disease - MedlinePlus
2024年6月11日 · Raynaud phenomenon is a condition that affects your blood vessels (the tubes that your blood flows through). It causes your blood vessels to narrow, which decreases blood flow. This is called a Raynaud episode or "attack." The attacks usually affect your fingers and toes, causing them to become cold and numb.
Raynaud's Phenomenon - Harvard Health
2024年1月22日 · What is Raynaud's phenomenon? Raynaud's phenomenon is a blood vessel disorder. The condition is also called Raynaud's disease or Raynaud's syndrome. When healthy people are in a cold environment, the tiny blood vessels in their skin constrict, or narrow. This is an effort by the body to conserve heat.
Raynaud’s Phenomenon: Diagnosis, Treatment, and Steps to Take
There is no single test to diagnose Raynaud’s phenomenon. Doctors usually diagnose it based on symptoms, in particular, on a description of a typical attack upon exposure to cold. Your doctor will likely also take a medical history and perform a physical exam.