Overview
Definition
Exaggerated vascular response to cold or stress.
Epidemiology
Varies globally. Often age and lifestyle dependent.
Etiology & Risk Factors
- Primary (idiopathic), Secondary (Scleroderma, Lupus).
Clinical Symptoms
- Fingers turn white
- then blue
- then red (rubor) with pain/tingling.
Clinical Approach
Diagnosis
- Clinical.
Management
- Avoid cold/stress
- Calcium channel blockers (Nifedipine).
Complications
- Digital ulceration (if secondary).