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.
Define attenuation. Define - The reduction in the number of xray photons in the beam and subsequent loss of energy as the beam passes through matter. to weaken or reduce in force, intensity, effect, quantity, or value. PP - Partial absorption of primary xray beam by patient. What makes up attenuation.