Medicaltalks on Instagram: "Watch the blood return to the index finger during a Reynaud’s Phenomenon episode!! Raynaud’s phenomenon is essentially a vasospastic disorder (blood vessels tighten or close) causing discoloration of the fingers, toes, and occasionally other extremities. The cause of the phenomenon is unknown, but it is a disorder characterized by cold or stress-induced hyperreactivity of the digital arterial smooth muscle, leading to episodic vasospasm in the fingers and toes, the bo

How to pronounce SYMPTOM in English