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Question
25 year-old female presents with the following. It seems to have occurred spontaneously and spontaneously resolves during her ED evaluation.

Answer
Answer: Raynaud phenomenon
- Raynaud phenomenon is recurrent vasospasm of fingers or toes
- Causes
- Primary (e.g., external factors; such as cold temperature or stress)
- Secondary to underlying illness, typically autoimmune disease (e.g., progressive systemic sclerosis or SLE)
- Treatment
- Avoid known triggers
- Low-dose calcium channel blockers (e.g., nifedipine)
- Topical nitroglycerine applied to areas of vasoconstriction
- Identify and treat secondary disorders

References
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