Not of natural origin; produced by chemical synthesis like polyisoprene.

Adverse effects caused by a substance that affects the body in a general rather than local manner.

A type of assessment tool developed by Detsky and colleagues that involves rating the final results in 3 categories of nutritional state.

ASTM, in F2100-03a: Standard Specification for Performance of Materials Used in Medical Face Masks, defines Sub-micron filtering as a PFE of ? 98% filtration efficiency of 0.1 micron particles.

Usually a small room around which two or more operating rooms may be grouped. Sub-sterile areas often contain cupboards for sterile supplies, a sterilizer, a warming cabinet for sterile solutions, a small sink, and a refrigerator for drugs.

Superficial Incisional SSI are those surgical site infections involving only the skin or subcutaneous tissue. Much lower risk of death.

Situated toward the head and further away from the feet than another and especially another similar part of an upright body.

The large vein that returns blood to the heart from the head and arms. This is desired positioning for the distal tip of central venous catheters (CVC).

Lying on the back.

Process of pus formation.