Causes of High Hematocrit and Hemoglobin. Hemoglobin is the oxygen-carrying protein that is present in the red blood cells, whereas hematocrit is the percentage of the volume of blood that is made up of red blood cells. The following write-up provides information on the circumstances under which a person may have high hemoglobin and hematocrit.
Why It Is Used. The Bordetella pertussis blood test is primarily used to test for Bordetella pertussis bacterium, an infection that causes whooping cough.The early symptoms of whooping cough are very similar to those of many other colds. One may experience a runny nose, light coughing, sneezing, or a low-grade fever.hy It Is Used. The Bordetella pertussis blood test is primarily used to test for Bordetella pertussis bacterium, an infection that causes whooping cough.
Description and significance. Bordetella pertussis is a small, Gram-negative, coccoid bacterium about the size of 0.8 Âµm by 0.4 Âµm. It is an encapsulated immotile aerobe that does not make spores.Bordetella pertussis produces a number of virulence factors, including pertussis toxin, adenylate cyclase toxin, filamentous hemagglutinin, and hemolysin.he current Bordetella pertussis vaccine is a whole-cell vaccine which means that the vaccine uses whole dead B. pertussis cells. The whole-cell vaccine has been very effective for the majority of the population, but some people develop severe adverse reactions to this vaccine.