A nurse is assessing a client with a history of heart failure who presents with severe edema in the lower extremities. The nurse would document the presence of +4 pitting edema after noting which finding?

Severe pitting, very swollen leg and indentation that lasts for a long time, 8 mm deep

Slight indentation, with no perceptible swelling of the leg. 2 mm deep

Moderate pitting, with indentation that subsides rapidly, 4 mm deep

Deep pitting, swollen leg, and indentation that remains for a short time, 6 mm deep