A nurse is collecting data from a client who has a long leg cast on his left leg. Which of the following findings is the priority?

A. One fingerbreadth of space between the cast and the skin is important to prevent constriction, but diminished pulses suggest compromised blood circulation, which is a higher priority. B. Muscle spasms are common and can cause discomfort, but diminished pulses indicate a more serious circulation issue. C. Correct. Diminished pulses suggest reduced blood flow, which is a serious concern and requires immediate attention. D. Ecchymosis might be related to the cast application, but it's less urgent than compromised circulation.