RAYNAUD´S DISEASE, X-RAY. RAYNAUD´S DISEASE, X-RAY Raynaud´s syndrome is a disorder characterized by episodic attacks, called vasospastic attacks, that cause the arteries in the digits to constrict, interrupting the blood flow. Triggered by cold, the fingers and toes become pale or bluish. Clinical manifestations include the calcification of arteries. Raynaud´s disease with vascular calcification is pictured here.