APMLE Podiatric Surgery and Wound Care Flashcards

Which nerve block anesthetizes the dorsum of the foot by blocking the superficial peroneal nerve?

Answer: Ankle block at the anterolateral aspect between the peronei and tibia

The superficial peroneal nerve is blocked at the ankle anterolaterally, anesthetizing most of the dorsum of the foot.

What is the most common organism responsible for diabetic foot osteomyelitis?

Answer: Staphylococcus aureus

Staphylococcus aureus is the most common causative organism in diabetic foot osteomyelitis, including MRSA in healthcare-associated infections.

Which surgical technique for ingrown toenail provides the lowest recurrence rate?

Answer: Partial nail avulsion with phenol matrixectomy

Partial nail avulsion with phenol chemical matrixectomy has recurrence rates of approximately 1–3%, making it the standard procedure with the lowest recurrence.

What is the key radiographic finding in Charcot neuroarthropathy (Charcot foot) on plain X-ray?

Answer: Destruction, dislocation, and debris (the 3 D's) with joint disorganization

Charcot neuroarthropathy is characterized radiographically by the 3 D's: bone destruction, dislocation, and periarticular debris.

Which postoperative complication after bunion surgery is characterized by avascular necrosis of the first metatarsal head?

Answer: Osteonecrosis following aggressive soft tissue stripping or over-correction

Osteonecrosis of the first metatarsal head can result from excessive periosteal stripping during bunion surgery, compromising the blood supply.

Which surgical procedure is the gold standard for correction of severe, rigid flatfoot deformity in adults?

Answer: Triple arthrodesis (subtalar, talonavicular, calcaneocuboid fusion)

Triple arthrodesis fuses the subtalar, talonavicular, and calcaneocuboid joints to correct rigid flatfoot deformity and relieve pain.