Hydronephrosis
Mild: Distention of collecting system
Moderate: Dilation of collecting system, rounding of calyces
Severe: Dilated<unk>  calyces and cortical thinning
“Bear claw” appearance
Represents severe obstructive uropathy
Mild: Distention of collecting system
Moderate: Dilation of collecting system, rounding of calyces
Severe: Dilated<unk>  calyces and cortical thinning
“Bear claw” appearance
Represents severe obstructive uropathy
“Bear claw” appearance
Represents severe obstructive uropathy
Renal ultrasound
Bladder ultrasound
Bladder lavage
Urine analysis
Suprapubic bladder aspiration
Creatinine screening prior to IV contrast
Suprapubic catheter placement
Acute abdominal series