A 60-year-old male with poor stream of urine, post void residual urine is 400 mL, bilateral hydronephrosis and prostate weighing 70 g. His urea is 120 and creatinine 3.5. Ideal “next immediate” step:

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Vikas Bhardwaj
Medical Technologist, AIIMS New Delhi
Updated: Apr 17, 2026