Difference between revisions of "Cytokine storm"
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A '''cytokine storm''' is an overreaction by an immune response such that it releases too many cytokines than are beneficial. This can cause a fatal inflammatory reaction. | A '''cytokine storm''' is an overreaction by an immune response such that it releases too many cytokines than are beneficial. This can cause a fatal inflammatory reaction. | ||
| − | Some have suspected that a cytokine storm | + | Some have suspected that a cytokine storm, which hits starting around day 3 of the progression of [[COVID-19]], is what causes its high mortality. It is characterized by: |
| + | |||
| + | * low oxygen levels, which is why ventilators are used but may not help | ||
| + | * high fever (more than 103 degrees) | ||
| + | * low blood pressure | ||
| + | * a white cell count at 2,000 when it should be between 4.5 and 10. | ||
| + | * lymphocytes, which fight a virus, at 200 when they should be between 1000 and 1,500 — they were under 200. | ||
| + | * low platelet count, such as 100,000 | ||
| + | |||
| + | Others dispute that a cytokine storm occurs worse in COVID-19.<ref>https://www.medicalnewstoday.com/articles/no-evidence-of-cytokine-storm-in-covid-19#Patient-groups</ref> | ||
== References == | == References == | ||
{{reflist}} | {{reflist}} | ||
{{coronavirus}} | {{coronavirus}} | ||
Revision as of 03:29, October 3, 2020
A cytokine storm is an overreaction by an immune response such that it releases too many cytokines than are beneficial. This can cause a fatal inflammatory reaction.
Some have suspected that a cytokine storm, which hits starting around day 3 of the progression of COVID-19, is what causes its high mortality. It is characterized by:
- low oxygen levels, which is why ventilators are used but may not help
- high fever (more than 103 degrees)
- low blood pressure
- a white cell count at 2,000 when it should be between 4.5 and 10.
- lymphocytes, which fight a virus, at 200 when they should be between 1000 and 1,500 — they were under 200.
- low platelet count, such as 100,000
Others dispute that a cytokine storm occurs worse in COVID-19.[1]