Water Quality CRK Admin 2015-06-04T10:38:40+00:00. The Chattahoochee River is the most heavily used water resource in Georgia. From north Georgia to the Florida line, the riverâs watershed faces many threats to its health including stormwater and wastewater pollution from urban, industrial, and agricultural sources.
Medical Definition of Exacerbation. Exacerbation: A worsening. In medicine, exacerbation may refer to an increase in the severity of a disease or its signs and symptoms. For example, an exacerbation of asthma might occur as a serious effect of air pollution, leading to shortness of breath.
Lung infections are the most common cause of acute exacerbations. These infections can be viral or bacterial. Some specific viruses that cause COPD exacerbations are influenza, rhinovirus or adenovirus. Recent evidence suggests exacerbations of COPD are often caused by certain kinds of bacteria. These are known as mycoplasma and chlamydia.