First things first. Bronchial spasms are of 2 different types --- acute and paradoxical . As a 2005 publication by Rosalind Franklin University of Medicine and Sciences, North Chicago reveals, acute bronchial spasm occur following the sudden constriction in the muscle walls of the lungs. These type of acute spasms are dangerous, as they can lead to the production of mucus which can irritate and block the airway even further, making breathing more difficult.
datum â(plural data or datums) ( 1 plural: data) A measurement of something on a scale understood by both the recorder (a person or device) and the reader (another person or device). ( 2 plural: data) (philosophy) A fact known from direct observation. ( plural: data) (philosophy) A premise from which conclusions are drawn.
Chart datum, level of water depth on a nautical chart. Datum or datum point, a (possibly arbitrary) reference baseline or point from which scientific measurements are made (from a Latin meaning of datum as a given, i.e. an accepted fact)