Chronic Venous Insufficiency & Ulcers

What causes chronic venous insufficiency (CVI)?

Venous valve damage or impaired venous return, causing congestion and venous stasis.

Why does edema occur in chronic venous insufficiency?

Increased venous hydrostatic pressure causes fluid accumulation and swelling.

What symptoms occur with chronic venous insufficiency?

Leg heaviness, dull aching, swelling, and possible itching; discomfort and swelling improve with elevation.

What is venous stasis dermatitis?

Skin changes around the ankles, including dusky discoloration from hemosiderin buildup.

What is lipodermatosclerosis?

Inflammation, hemosiderin accumulation, and hardening of tissue near the ankle.

What are telangiectasias and corona phlebectatica?

Telangiectasias are spider veins; corona phlebectatica is a fan-shaped pattern of dilated ankle/foot veins.

What is venous hypertension?

Increased venous pressure from reflux or obstruction.

What causes venous ulcers?

Primarily venous hypertension from chronic venous insufficiency; trauma or pressure may contribute.

What are typical venous ulcer characteristics?

Painful, deep-red ulcers with uneven texture and borders, according to slides.