Bladder ultrasound
Background
volume = length x width x heigth x 0.52
Technique
- Use phase probe
- Find the bladder suprapubically
- usually need to turn down far gain 2/2 acoustic enhancement from bladder
Clinical Uses
- Look for abdominal free fluid
- Can be used to calculate PVR noninvasively
Source
Arch Ital Urol Androl. 2005 Mar;77(1):60-2. Measurements of urinary bladder volume: comparison of five ultrasound calculation methods in volunteers. Dicuio M, Pomara G, Menchini Fabris F, Ales V, Dahlstrand C, Morelli G.