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.
Definition of attenuate. attenuated. ; attenuating. transitive verb. 1 : to lessen the amount, force, magnitude, or value of : weaken â¦ shows great skill in the use of language to moderate or attenuate the impact of awkward facts. â Bernard Lewis. 2 : to reduce the severity, virulence, or vitality of an attenuated virus.