ultrasound-guided suprapubic catheter

3 May

Nice case from a recent EP Monthly article by Dr. Wu & Pregerson (click through for the article):



formula to estimate bladder volume:

bladder height x width x depth /2


determine how deep the bladder lies below the skin’s surface (make sure your needle’s long enough)


visualize entering the bladder lumen with your needle (like with PIVs, central lines)


“withdraw a sufficient amount of urine to relieve some of the intraluminal pressure. Leaving a small amount of urine within the bladder can make it easier to pass a suprapubic catheter.


In order to avoid creating a false passage, use ultrasound to guide the suprapubic catheter into the bladder lumen.”



References: epmonthly article; picture


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