the volume of blood traveling through the area, resulting in:
• The White Phase: The tissue turns pale or white as localized blood flow becomes highly restricted.
• The Blue Phase: The area may sometimes transition to a bluish tint due to a temporary lack of fresh oxygen in the local tissue.
• The Red Phase: As the area gradually rewarms and the spasm relaxes, blood rushes back into the vessels, frequently causing a bright red flush accompanied by a warm, tingling, or prickly sensation.
Primary vs. Secondary Peripheral Vascular Sensitivity
This pattern
