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.
Types of Pollutants. In order to understand the causes of Air pollution, several divisions can be made. Primarily air pollutants can be caused by primary sources or secondary sources. The pollutants that are a direct result of the process can be called primary pollutants.