Decubitus n. : An attitude assumed in lying down; as, the dorsal decubitus.

Example:
Are you supposed to down stage a Decubitus?

Taxonomy
pressure ulcers, mattresses, bedsores, pressure, hospitals, NDF, patients, Quality of Life, Pegasus, National Decubitus Foundation, nursing homes, medical errors, Pegasus Airwave, decubitus, paralysis, support surfaces, wound, physicians.

Defination from the web:
Working to raise awareness of the problem of bedsores among hospital, home-care, and nursing home patients.