BUN to Creatinine Ratio Calculator

BUN/Creatinine Ratio: BUN (mmol/L): Creatinine (µmol/L): Interpretation:

1. What is a BUN/Creatinine Ratio Calculator?

Definition: A BUN/Creatinine ratio calculator determines the ratio of blood urea nitrogen (BUN) to creatinine in the blood, a key indicator of kidney function.

Purpose: This tool helps assess kidney health, identify dehydration, and diagnose potential kidney or liver issues.

2. How Does the Calculator Work?

The calculator computes the ratio using this formula:

\[ \text{BUN/Creatinine Ratio} = \frac{\text{BUN (mg/dL)}}{\text{Creatinine (mg/dL)}} \]

Explanation: It converts BUN and creatinine to mg/dL, then divides BUN by creatinine to get the ratio.

3. Importance of BUN/Creatinine Ratio

Details: The ratio helps differentiate between prerenal, renal, and postrenal causes of kidney dysfunction. A normal range (10:1 to 20:1) indicates healthy kidney function.

4. Using the Calculator

Tips: Input BUN (mg/dL, mmol/L) and creatinine (mg/dL, µmol/L) values. Results show the ratio, converted units, and interpretation.

Frequently Asked Questions (FAQ)

Q: What is a normal BUN/Creatinine ratio?
A: A normal ratio typically falls between 10:1 and 20:1, indicating healthy kidney function.

Q: Why is my ratio undefined?
A: If creatinine is 0, the ratio cannot be calculated due to division by zero.

Q: Can this calculator diagnose kidney disease?
A: No, it’s for informational purposes only. Consult a doctor for a diagnosis.

Q: What does a high ratio mean?
A: A ratio above 20:1 may indicate dehydration, prerenal causes, or high protein intake.

Q: What does a low ratio mean?
A: A ratio below 10:1 may suggest liver disease, malnutrition, or overhydration.

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