Vascular & Vein Care

Raynaud's Evaluation in Seomyeon, Busan

A Raynaud's evaluation (레이노이드 현상 검사) assesses episodes in which fingers or toes turn white, then blue and red, with cold or stress, caused by temporary spasm of small arteries. In Seomyeon, Busan, the visit typically includes history, examination, blood tests for autoimmune conditions and sometimes nailfold capillaroscopy. Most cases are primary and benign, managed with warmth and lifestyle measures, but secondary causes need identifying.

Independent patient guide · Medically informative, not a substitute for a doctor's advice · Last reviewed:

October 2026
Clinic in Seomyeon, Busan

What is Raynaud's phenomenon?

Raynaud's is an exaggerated response of small blood vessels to cold or emotional stress. Arteries in the fingers (and sometimes toes, nose or ears) narrow sharply, reducing blood flow so the skin turns white and numb, then blue, followed by red, throbbing and tingling as blood returns. Primary Raynaud's often begins in the teens or twenties, is more common in women and is usually mild. Secondary Raynaud's is associated with conditions such as systemic sclerosis, lupus or other connective tissue diseases, arterial disease, repetitive vibration exposure or certain medications, and can be more severe.

Symptoms and when to see a doctor

  • Clear colour changes in fingers with cold, such as air conditioning or cold water
  • Numbness, tingling or pain during attacks
  • Onset after age 30, or attacks affecting only one hand
  • Joint pain, rashes, skin thickening, difficulty swallowing or dry eyes and mouth
  • Sores or ulcers on fingertips

Seek prompt care for finger ulcers, a finger that stays white or blue, or severe pain, as these can indicate threatened circulation.

What happens at the clinic

  1. History: triggers, onset age, symptoms of autoimmune disease, smoking, occupation, medications.
  2. Examination: pulses, skin, fingertip pits or ulcers, joints.
  3. Blood tests: antinuclear antibodies (ANA), inflammatory markers, blood count and others as indicated.
  4. Nailfold capillaroscopy: magnified view of tiny vessels at the nail edge; abnormal patterns suggest secondary causes.
  5. Arterial studies: if pulses are weak or symptoms are one-sided.
  6. Plan: lifestyle measures, medication and referral to rheumatology if needed.

Treatment outlook

Primary Raynaud's usually responds to warmth and trigger avoidance. Medicines that relax blood vessels, such as nifedipine, reduce attack frequency and severity in many people. Secondary Raynaud's requires treatment of the underlying disease and closer monitoring.

Risks and considerations

  • Smoking worsens vasospasm and should be stopped
  • Some decongestants, migraine drugs and stimulants can trigger attacks
  • Vasodilator medicines may cause headache, flushing or ankle swelling
  • Undiagnosed connective tissue disease can progress if missed

Choosing a clinic for Raynaud's evaluation in Seomyeon

  • Choose a doctor who screens for secondary causes, not only symptoms.
  • Ask whether nailfold capillaroscopy is available or can be arranged.
  • Ask about rheumatology referral if blood tests are abnormal.
  • Bring a list of medications and photos of attacks if possible.
  • Ask for a written plan for cold-weather management.

Living with Raynaud's in Busan

Busan's winters are mild but windy, and indoor air conditioning in summer can trigger attacks. Seomyeon's clinics are easily reached by metro for assessment and follow-up.

Key facts

  • Condition: vasospasm of small arteries in fingers or toes
  • Colour changes: white (pallor), blue (cyanosis), red on rewarming
  • Types: primary (no underlying disease) vs secondary (e.g., scleroderma, lupus, vibration tools, medications)
  • Tests: blood tests (ANA, inflammatory markers), nailfold capillaroscopy, sometimes arterial studies
  • First-line care: keep whole body warm, gloves, stop smoking, avoid triggers
  • Medication: calcium channel blockers or others for frequent or severe attacks
  • Warning signs: finger ulcers, persistent colour change, severe pain

Frequently asked questions

What is the difference between primary and secondary Raynaud's?

Primary Raynaud's occurs without an underlying disease and is usually mild. Secondary Raynaud's is linked to conditions such as scleroderma or lupus, certain medications or vibration exposure, and tends to be more severe.

What tests are done for Raynaud's?

Typically blood tests such as antinuclear antibodies and inflammatory markers, plus nailfold capillaroscopy to examine tiny vessels. Arterial studies may be added if pulses are weak or symptoms are one-sided.

How can I prevent Raynaud's attacks?

Keep your whole body warm, wear gloves and warm socks, avoid sudden temperature changes, manage stress and stop smoking. Hand warmers and layered clothing help in cold weather.

Is Raynaud's dangerous?

Primary Raynaud's is usually not dangerous. Secondary Raynaud's can cause finger ulcers or tissue damage and may signal an underlying disease, so evaluation is important.

What medications treat Raynaud's?

Calcium channel blockers such as nifedipine are commonly used to widen blood vessels. Other options exist for severe cases. Your doctor will weigh benefits against side effects like headaches or flushing.

Medical disclaimer: Seomyeon.Clinic is an independent information directory. Content is for general education and does not replace a consultation with a licensed physician. Suitability, risks, results and costs vary by person and clinic. In an emergency in Korea, call 119.