Vascular Flashcards
What is the cause of venous ulcers?
Pooling of the blood and waste products in the skin secondary to venous insufficiency.
Typical features of arterial ulcers:
- Small
- Deep
- Well-defined borders
- ‘Punched-out’ appearance
- Very painful
- Pain worse at night (when lying horizontal) and on elevation
- Unlikely to bleed
Typical features of venous ulcers:
- Occurs between top of food and bottom of calf muscle (gaiter area)
- Hyperpigmentation
- Large
- Superficial
- Irregular, gently slowing border
- Likely to bleed
- Little pain
- Pain worse on lowering leg
- Pain relieved on elevation
- Lipodermatosclerosis (acute or chronic)
Management of venous ulcer:
- Cleaning
- Debridement (removing dead tissue)
- Dressing
Also compression therapy and pentoxifylline
Classic location of venous ulcer?
Over the lateral and/or medial malleoli
“Painful, hardened, tight, red or brown skin, which if circumferentially affecting the ankle area may eventually result in the leg having an ‘inverted champagne bottle’ or ‘bowling pin’ appearance.” is describing what?
Chronic lipodermatosclerosis
What is the long-term thrombolysis management for patients with mechanical valve replacements?
Warfarin and aspirin
What is the long-term thrombolysis management for patients with tissue valve replacements?
DOAC