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Raynaud’s Phenomenon (Viva (Secondary Causes: BADCAT (Blood: polycythaemia…
Raynaud’s Phenomenon
Viva
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Pathogenesis
Overactive α sympathetic receptors
Or, fixed obstruction in vessel wall
Secondary Causes: BADCAT
Blood: polycythaemia, cryoglobulinemia, cold agglutinin
Arterial: atherosclerosis, thrombangiitis obliterans
Drugs: β-B, OCP, ergotamine
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Examination
Key Questions
What is the main problem you have w/ your hands?
When do symptoms occur?
Is it precipitated by any specific weather conditions?
Can you describe the colour changes your fingers go through?
Inspection
Usually bilateral
Dry, red skin
Brittle nails
Ulceration or gangrene on the pulps
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