Betty presents with type 2 diabetes and a non-healing ulcer on the lateral ankle. The ulcer is dry, and the patient reports discomfort in her posterior lower leg with walking. On examination, the affected foot has a capillary refill that is prolonged. Which assessment is MOST important to include during the initial evaluation?
A) Monofilament testing for protective sensation
B) Visual inspection for signs of infection
C) ABI to evaluate vascular supply
D) Toe pressure measurement for microvascular assessment
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