An increased BUN is a characteristic of the intrarenal category of Acute Kidney Injury (AKI).
BUN is Blood Urea Nitrogen. It is the measure of the amount of urea present in the blood. High BUN levels indicate problems in the kidney. It is an indicator that the urea is not discarded from the bpdy efficiently by the kidneys.
Acute Kidney Injury (AKI) is the sudden kidney failure. The kidney fails to perform its work efficiently during this phase. There are three stages of AKI. These are: prerenal, intrinsic, and postrenal. The most common reason why AKI happens is the reduced blood flow through the kidneys.
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