Mount Pleasant, South Carolina Health Index. Air quality in Mount Pleasant, South Carolina is 67 on a scale to 100 (higher is better). This is based on new measures of hazardous air pollutants from the EPA, called the National Air Toxics Assessment.
Hypoattenuation is a term used to describe areas that show up as whiter and brighter than normal on an x-ray or CT Scan. Hypoattenuating lesions are commonly referred to in regards to the liver or kidneys.
Use attenuation in a sentence. Noun. (plural attenuations) 1  A gradual diminishing in the strength of something. ( 2 physics) A reduction in the level of some property with distance, especially the amplitude of a wave or the strength of a signal. ( biology) A weakening in the virulence of a pathogen or other microorganism.