1. What is the Bladder Scan Volume Calculation?

The bladder scan volume calculation estimates bladder capacity based on age. It's commonly used in pediatric urology and for assessing bladder function in various clinical settings.

2. How Does the Calculator Work?

The calculator uses the bladder volume formula:

Where:

• \( Age \) — Patient's age in years
• 30 — Multiplier in mL/year

Explanation: The formula accounts for the natural increase in bladder capacity with age, with a baseline of 60 mL for newborns (age 0).

3. Importance of Bladder Volume Estimation

Details: Accurate bladder volume estimation helps in diagnosing urinary retention, monitoring bladder function, and assessing post-void residual volumes.

4. Using the Calculator

Tips: Enter patient's age in years. The value must be valid (age between 0-120 years).

5. Frequently Asked Questions (FAQ)

Q1: Is this formula accurate for all ages?
A: It's most accurate for children. Adults may have more variable bladder capacities.

Q2: What are normal bladder volumes?
A: Newborns: ~60 mL, 1 year old: ~90 mL, 10 year old: ~360 mL, Adults: 400-600 mL typically.

Q3: When should bladder volume be measured?
A: When assessing for urinary retention, before catheterization, or when monitoring bladder function.

Q4: Are there limitations to this calculation?
A: Doesn't account for individual variations, bladder pathology, or neurological conditions affecting bladder function.

Q5: How does this compare to actual bladder scans?
A: Actual bladder scans provide more precise measurements, but this formula gives a quick estimate when scanning isn't available.