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.
5. Carbon dioxide (C0 2), a greenhouse gas emitted from combustion. 6. Suspended particulate matter (SPM), include smoke, dust and vapour that can remain suspended for extended periods and can introduced in the environment as primary as well as secondary pollutants.