Bladder: Ureterovesicular junction
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Bladder: Ureterovesicular junction
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”Twinkling”
- Right UVJ Stone
- Artifact with color flow Dopplerr
- Can help identify stones
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Ureteral jets
- Color flow Doppler
- Presence excludes complete obstruction
- Can be difficult to determine absence
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Ureteral jets
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Decrease “scale” to improve sensitivity
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Here is at 8.0cm/s
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Left UVJ stone – not completely obstructing
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Right UVJ stone with hydroureter – left jet
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