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A member asked:
Can the portable ultra sound machines in hospitals accurately measure the amount of water in a 3liter bladd er?after the catheter was removed for a void test there was 300ml left in- perplexed the nurse! i later drank 1.3 litres but it added 100ml?
A doctor has provided 1 answer
Capacity of a healthy urinary bladder is approximately between 400-500 ml. An outflow obstruction developed over time can lead to overfilled bladder. Ultrasound machine automatically calculates the residual urine from the measurements taken using a mathematical formula to arrive at the volume and are fairly accurate. Consuming water or any liquid amount does not equally translate in to urine volu
Answered 7/20/2023
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