Physical and Diagnostic Evaluation

• Physical findings:

• Distension over hypogastrium

• Dullness to percussion

• Prostatic enlargement (more common in men)

• Flank Tenderness

• Loss of anal sphincter tone/wink

• Diagnosis:

• Placement catheter: record volume

• PRV > 200 cc (< 50 normal)

• USG: Hydronephrosis (may be normal if obstruction is < 24-48 hrs

• CT Urogram: If renal colic or hematuria to rule-out renal lithiasis