The nurse uses the five Ps to assess ischemia in a child with a fracture. What finding is considered a late and ominous sign?
a. Petaling
b. Posturing
c. Paresthesia
d. Positioning
ANS: C
Paresthesia distal to the injury or cast is an ominous sign that requires immediate notification of the practitioner. Permanent muscle and tissue damage can occur within 6 hours. The other signs of ischemia that need to be reported are pain, pallor, pulselessness, and paralysis. Petaling is a method of placing protective or smooth edges on a cast. Posturing is not a sign of peripheral ischemia. Finding a position of comfort can be difficult with a fracture. It would not be an ominous sign unless pain was increasing or uncontrollable.
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