Information about Who Bleeding Scale

The World Health Organization, or WHO, made a standardized grading scale to measure the severity of bleeding.

Grade 0no bleeding
Grade 1petechial bleeding;
Grade 2mild blood loss (clinically significant);
Grade 3gross blood loss, requires transfusion(severe;
Grade 4debilitating blood loss, retinal or cerebral associated with fatality

References

  • Webert KE, Cook RJ, Sigouin CS, et al. The risk of bleeding in thrombocytopenic patients with acute myeloid leukemia. haematologica 2006;91:1530-1537
World Health Organization (WHO) is a specialized agency of the United Nations (UN) that acts as a coordinating authority on international public health. Established on 7 April 1948, and headquartered in Geneva, Switzerland, the agency inherited the mandate and resources of
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Bleeding, technically known as hemorrhage (American English) or haemorrhage (British English) is the loss of blood from the circulatory system.[1] Bleeding can occur internally, where blood leaks from blood vessels inside the body or externally, either
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