A patient with hemophilia fell backward onto his right hip and now complains of pain to that area. The primary assessment reveals no life-threatening conditions. Vital signs are pulse, 112; respirations, 1 mmHg; blood pressure, 102/4 mmHg; and SpO2, 99%. During transport, which of these findings would be of greatest concern?
a) Increasing bruising and pain to the right hip becomes evident
b) Hematoma formation on the right hip that is palpable
c) SpO2 reading dips to 95% for a few minutes
d) Heart rate increases to and is sustained at more than 130 beats/min