Ulcers

Question 0

Arterial insufficiency?

Answer 0

Almost always due to atherosclerosis.

Dt diabetes, smoking, high cholesterol BP obesity, heart disease

Question 1

Two mechanisms for veins?

Answer 1

Calf muscle pumps blood uphill during exercise.

One way valves prevent back flow.

If these fail -> pooling -> increased venous pressure -> fibrin deposition around capillaries -> reduced oxygen and nutrients to muscle and skin -> ulcer

Question 2

Diabetic?

Answer 2

Combination of arterial blockage and nerve damage.

Sensory neuropathy reduced awareness to pressure heat pain

Question 3

Diabetic characteristics?

Answer 3

Similar to arterial
More located over pressure points such as heels or between toes

With pressure callus formation then breaks

Question 4

Arterial characteristics?

Answer 4

Punched out gray base
Found on lateral side of ankles feet
Frequently painful
Intermittent claudication

Question 5

Venous ulcers?

Answer 5

Located below the knee, inner ankle
Painless
Sayer ounces by dry itchy and reddened skin (eczema)
Thickened skin, scaliness, tiny rough bumps

Question 6

What is the Braden scale?

Answer 6

Six criteria for risk of pressure ulcer

• sensory perception
• moisture
• activity
• mobility
• nutrition
• friction and shear