Amniotic fluid embolism develops suddenly and rapidly. Signs and symptoms of amniotic fluid embolism might include: Sudden shortness of breath. Excess fluid in the lungs (pulmonary edema) Sudden low blood pressure. Sudden failure of the heart to effectively pump blood (cardiovascular collapse)
Primary & Secondary pollutant. Definition: A primary pollutant is an air pollutant emitted directly from a source. A secondary pollutant is not directly emitted as such, but forms when other pollutants (primary pollutants) react in the atmosphere.
Particulates. Particulate matter, in the forms of dust, smoke and soot, is also a primary air pollutant resulting from fossil fuel combustion. Particles can range in size from visible ash flakes to microscopic particles that are easily inhaled by humans and animals, leading to lung disease.hen fossil fuels, especially coal, are burned for energy, many impurities are released, including sulfur dioxide and nitrogen oxides. When these pollutants disperse through the atmosphere or dissolve in rainwater, they cause the phenomenon of acid rain.