They use ultrasound to instantly show whether ... Without a scan, the only way to check if the patient's bladder is empty is to insert a catheter and see if any urine drains.

"An abdominal ultrasound had identified a bladder ... This can also happen if urine is caught in bladder diverticula. Additionally, catheters can act as a base for stones to form, and repeated ...

Over time, chronic catheters and bladder infections can cause bladder irritation which can increase your risk for bladder ...