blood in urine and high white cell count White blood cells

Hey there! Have you ever wondered how doctors report the white blood cell counts in a urinalysis? Well, I stumbled upon an interesting image that beautifully explains it. Take a look!

How We Report White Blood Cell Counts in Urinalysis

In a urinalysis, white blood cells (WBCs) play a crucial role in determining if there’s an infection or inflammation in the urinary tract. This image provides a step-by-step guide on how medical laboratories report WBC counts in urinalysis.

Firstly, the technician examines a urine sample under a microscope. They then count the number of white blood cells present in a high-power field (HPF), which is a small viewing area. Once the count is done, it is recorded as the number of white blood cells per HPF.

Any count above normal could indicate an infection or inflammation. Next, the technician considers the dilution of the urine sample. Depending on the dilution, the laboratory may convert the count to the number of white blood cells per microliter (μL) of urine.

Likelihood Ratios for Urine White Blood Cell Counts

Did you know that urine white blood cell counts can also serve as a diagnostic test for urinary tract infections? This other amazing image provides insight into the likelihood ratios associated with WBC counts.

Likelihood ratios help determine the accuracy and usefulness of a diagnostic test. In this case, the image showcases the likelihood ratios for different WBC counts, indicating the strength of the association between the presence of white blood cells and urinary tract infections.

For example, if you have a WBC count of 0-4 per HPF, the likelihood ratio indicates a low association with urinary tract infections. However, if your WBC count is higher, say between 50-99 per HPF, the likelihood ratio significantly indicates a strong association with urinary tract infections.

By using these likelihood ratios, healthcare professionals can better diagnose and treat urinary tract infections based on a patient’s WBC count in urinalysis.

Isn’t it fascinating how these images help us understand the complexities of white blood cell counts in urinalysis and their significance in diagnosing urinary tract infections? If you’re interested in learning more about this topic, leave a comment below!

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