REYNAUD'S PHENOMENON-CAUSES

SUMMARY

Fingers go white → blue → red. Benign condition, but can lead to digital ulceration.

CAUSES (Mnemonic: HARD Connection)
1. Haematological: polycythemia, leukaemia, cold agglutinin disease
2. Arterial: embolism, Buerger's disease, smoking
3. Reflex: Reynaud's disease (idiopathic), repetitive stress injury (RSI)
4. Drugs: beta-blockers
5. CT diseases: SLE, systemic sclerosis, RA

Reference(s)

Wilkinson, I., Furmedge, D. and Sinharay, R. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press. Get it on Amazon.
Feather, A., Randall, D. and Waterhouse, M. (2020). Kumar And Clark’s Clinical Medicine. 10th ed. S.L.: Elsevier Health Sciences. Get it on Amazon.
Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
Therapeutic Guidelines. Melbourne: Therapeutic Guidelines Limited. https://www.tg.org.au [Accessed 2021].