Webgocphim.net WebChilblains form after intermittent or prolonged exposure to cold or damp air. The cold air causes blood vessels near your skin’s surface to tighten or constrict, leading to decreased oxygenation and inflammation in these exposed areas. The exact reason why this reaction occurs is unknown. Some experts believe pernio develops because of: Genetics.
Blue nevus: Pictures, diagnosis, removal, and more
WebFeb 13, 2024 · Phyma: A thickening of the skin. This is often seen in advanced rosacea. 4. Scale: A build-up of cells that form patches and then flake off the skin. Ulcer: A wound deeper than the top layer of skin that damages the second layer of skin. It is concave and variable in size. Deeper ulcers are more serious. WebBleeding into the skin happens when small blood vessels burst just below your skin’s surface. These blood vessels leak into surrounding tissues. Your skin may appear red, purple, blue or black. Bleeding into the skin may cause only discoloration, or the spot may be swollen and tender to the touch. Usually, bleeding into the skin is minor and ... free books on this kindle
Henoch-Schonlein purpura - Symptoms and causes
WebJan 3, 2024 · Blue hands are generally due to a lack of oxygen in the blood. Often, this can be caused by an underlying condition that may cause other symptoms. Cardiac and … WebApr 2, 2024 · Raynaud disease is a disorder that affects blood circulation, usually in the hands and feet. The arteries (blood vessels) that carry blood to your fingers, toes, ears, or nose tighten. This is often triggered by cold or emotional stress. The decrease in blood flow causes a lack of oxygen and changes in skin color. WebCircumoral cyanosis is when only your mouth or lips turn blue. It often occurs when your blood vessels shrink in response to cold temperatures. Circumoral cyanosis is common … free books on yoga religion and philosophy