Diabetic Foot Ulcers (DFUs) vs. Pressure Ulcers

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Where are diabetic foot ulcers most commonly located?

Medial ankle

Heel and sacrum

Plantar surface and toes

Upper thigh

What is the primary cause of diabetic foot ulcers?

Chronic venous insufficiency

Neuropathy and trauma

Friction and pressure

Vasculitis

Which of the following best describes a pressure ulcer’s mechanism of development?

Tissue necrosis from infection

Tissue ischemia from prolonged pressure

Nerve damage from high blood glucose levels

Peripheral arterial obstruction

Which of these risk factors is shared by both diabetic foot ulcers and pressure ulcers?

Advanced age

Venous insufficiency

Varicose veins

Peripheral neuropathy

Which classification system is used to assess diabetic foot ulcers?

Wagner classification

Braden Scale

Glasgow Coma Scale

Wells Score

What is a key difference between diabetic foot ulcers and pressure ulcers in their presentation?

Diabetic foot ulcers have irregular borders, while pressure ulcers are well-defined.

Pressure ulcers are typically painless, while diabetic foot ulcers are painful.

Diabetic foot ulcers are commonly associated with neuropathy, while pressure ulcers occur in immobile patients.

Pressure ulcers are more likely to occur on the plantar surface of the feet.

List three similarities between diabetic foot ulcers and pressure ulcers.

Explain how peripheral neuropathy contributes to diabetic foot ulcer development.

Describe the staging of pressure ulcers and its importance in treatment planning.

What role does offloading play in the management of both diabetic foot ulcers and pressure ulcers?

How do comorbid conditions like diabetes affect the healing of pressure ulcers?

Case 1 Scenario: A 65-year-old diabetic male presents with a painless ulcer on the ball of his foot. The surrounding skin is dry, and he reports a tingling sensation in his feet. Tasks: What factors likely contributed to this ulcer? How would you classify this ulcer using the Wagner system? Outline your management plan, including wound care and patient education.

Case 2 Scenario: An 80-year-old immobile patient in a long-term care facility presents with a pressure ulcer over the sacrum. The ulcer has full-thickness tissue loss but no bone exposure. Tasks: What stage is this pressure ulcer? Which interventions would you implement to promote healing and prevent further ulcers?

Diabetic Foot Ulcers (DFUs) vs. Pressure Ulcers

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