ASU in urology means an Ambulatory Surgical Unit — a hospital area for same‑day, short‑stay urological procedures. Patients have pre‑assessment, undergo interventions such as cystoscopy, vasectomy, prostate biopsy or minor endoscopic surgery, then are discharged the same day. ASUs reduce inpatient stays, speed patient flow, and are equipped for local or short general/regional anesthesia with postoperative recovery and follow‑up.

Ascending urethrography is an X‑ray study of the urethra in which radiopaque contrast is introduced into the urethral canal and serial images are taken to outline its anatomy. It helps detect strictures, injuries, fistulas, obstruction or congenital abnormalities. Performed under local anaesthesia, it may be combined with voiding studies. Risks include discomfort, urinary tract infection and rare contrast reactions.

ASU stands for Ambulatory Surgical Unit (also called Ambulatory Surgery Unit). In urology it refers to a day‑surgery facility where minor to intermediate urological procedures (e.g., cystoscopy, ureteric stent placement, prostate biopsies) are performed without overnight admission. ASUs provide pre‑op assessment, procedure rooms, and post‑op recovery with same‑day discharge, improving efficiency and patient convenience.

Obtain consent and check contrast allergy. Position the patient supine, sterilely prep the penis and apply topical anaesthetic. Place an appropriate urethral catheter or meatal adapter and occlude the glans. Under fluoroscopy, slowly inject water‑soluble contrast to outline the urethra, capturing spot/cine images. Assess for strictures or extravasation, remove the catheter, document findings, and manage complications.

ASU in surgery commonly stands for Ambulatory Surgical Unit — a dedicated area for same-day (“day case”) procedures, assessment, and short recovery without overnight admission. In some settings it also means Acute Surgical Unit — a focused team/unit for emergency general surgical admissions and rapid assessment and treatment. Both improve patient flow, reduce hospital stays, and streamline perioperative care.

Do you mean Arizona State University (ASU) and Robert Gordon University (RGU), medical abbreviations, or something else? In common use they’re different entities with distinct locations, governance, and purposes. For example, universities differ in programs and accreditation, while medical abbreviations refer to different diagnoses or tests. Tell me the context and I’ll provide a concise comparison.