👤 By the CinnaRN Clinical Content Team🕐 Updated 2026-08-23🏷️ Physiological Adaptation🔖 Free to read, print, and share
Also known as: cold white fingers · spasm of finger blood vessels · Raynaud's
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Use this quick-reference guide to spot, treat, and prevent Raynaud Phenomenon on the NCLEX. Keep it handy during review and on exam day!
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📒 The 1-minute cheat sheet
🩺 Signs
Cold → digit vasospasm
Pallor → cyanosis → rubor
Numbness, tingling, pain
📌 Triggers
Cold exposure, stress
Caffeine, nicotine
🎓 Teach
Keep warm, wear gloves
Stop smoking
Avoid cold, manage stress
🧪 Meds
CCBs (nifedipine) → vasodilate
Avoid beta blockers
📚 Raynaud Phenomenon — full study notes
The cheat sheet above is your quick recall card. These notes go deeper — what it is, what to do first, what must be reported, and what to teach.
Raynaud phenomenon is episodic vasospasm of the small arteries in the fingers and toes, triggered by cold or stress, causing color changes and pain. It is more common in young women and may be primary or secondary to autoimmune disease such as scleroderma or lupus. Classic triphasic color change is white (pallor), then blue (cyanosis), then red (rubor) on rewarming.
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Key points
Understand these first
Triggered by cold exposure and emotional stress, causing vasospasm of digits.
Classic color sequence: pallor (white) to cyanosis (blue) to rubor (red) with numbness and pain.
Primary Raynaud is benign; secondary Raynaud is linked to connective tissue diseases like scleroderma and SLE.
Calcium channel blockers (e.g., nifedipine) are the first-line drug therapy to relax vessels.
Smoking and caffeine worsen vasospasm and should be avoided.
Severe, prolonged attacks can lead to skin ulceration or tissue necrosis of the fingertips.
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Nursing priorities
What to do, in order
Teach the patient to keep hands and body warm and to avoid sudden cold exposure.
Administer calcium channel blockers as prescribed and monitor for hypotension.
Assess digits for ulceration, skin breakdown, or signs of ischemia.
Encourage stress-reduction techniques and smoking cessation.
Teach immediate rewarming of affected digits during an attack.
New systemic symptoms (joint pain, skin tightening, rash) may indicate underlying autoimmune disease and need evaluation.
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Patient teaching
What patients must know
Wear gloves and warm layers; avoid cold environments and rapid temperature changes.
Stop smoking and avoid caffeine and vasoconstricting drugs.
Run warm (not hot) water over hands to abort an attack and reduce stress triggers.
Inspect fingers and toes daily for sores or skin breakdown.
❓ Raynaud Phenomenon: NCLEX FAQs
What are the priority nursing interventions for Raynaud Phenomenon?
Teach the patient to keep hands and body warm and to avoid sudden cold exposure. Administer calcium channel blockers as prescribed and monitor for hypotension. Assess digits for ulceration, skin breakdown, or signs of ischemia. Encourage stress-reduction techniques and smoking cessation.
What are the warning signs of Raynaud Phenomenon a nurse must report?
Fingertip ulceration, blackened tissue, or non-resolving cyanosis signals critical ischemia — report promptly. New systemic symptoms (joint pain, skin tightening, rash) may indicate underlying autoimmune disease and need evaluation.
What do I need to know about Raynaud Phenomenon for the NCLEX?
Triggered by cold exposure and emotional stress, causing vasospasm of digits. Classic color sequence: pallor (white) to cyanosis (blue) to rubor (red) with numbness and pain. Primary Raynaud is benign; secondary Raynaud is linked to connective tissue diseases like scleroderma and SLE. Calcium channel blockers (e.g., nifedipine) are the first-line drug therapy to relax vessels.
What patient teaching is important for Raynaud Phenomenon?
Wear gloves and warm layers; avoid cold environments and rapid temperature changes. Stop smoking and avoid caffeine and vasoconstricting drugs. Run warm (not hot) water over hands to abort an attack and reduce stress triggers. Inspect fingers and toes daily for sores or skin breakdown.
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Quick Tip
Triggered by cold exposure and emotional stress, causing vasospasm of digits.