ukmla MCQ (SBA): Renal Colic

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A 35-year-old man presents with a 1-day history of sudden onset, severe, colicky left loin pain radiating to his groin. He is nauseated and has vomited twice. He is restless and unable to find a comfortable position. Urinalysis shows 3+ blood, no nitrites, no leucocytes. What is the most appropriate initial imaging investigation to confirm the suspected diagnosis?

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ukmla MCQ: Renal Colic — Answer & Explanation | iatroX