How Does a Sequential Compression Device (SCD) Work

Multiple Choice

How does a sequential compression device (SCD) work?

A) The elastic fabric applies pressure to the legs to assist the blood to return to the heart.
B) The sleeves around the legs fill with air and then deflate, massaging the leg and assisting with blood return to the heart.
C) Different areas of the mattress inflate and deflate, helping to prevent the formation of pressure injuries.
D) Suction is applied to keep the stomach empty.