The nurse is caring for a 3-year-old client who is two hours postoperative from a cardiac catheterization via the right femoral artery. Which assessment finding is an indication of arterial obstruction?

The pressure dressing at right femoral area is moist and oozing blood.

Pulse distal to the femoral artery is weaker on left foot than right foot.

Right foot is cool to the touch and appears pale and blanched.

Blood pressure trend is downward and pulse is rapid and irregular.