Does the patient meet the following inclusion criteria?
- Urinary catheter in place AND 1 of the following signs/symptoms
- Fever greater than 38°C
- Acute hematuria
- Rapid mental status deterioration/delirium
- Rigors
- Flank pain or costovertebral angle tenderness
- Pelvic discomfort
OR
- Urinary catheter removed within the last 48 hours AND 1 of the following signs/symptoms
- Urgency
- Frequency
- Dysuria
- Suprapubic pain