uk-dgm MCQ (SBA): Acute Urinary Retention Causing Delirium

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ModerateDeliriumAcute Urinary Retention Causing Deliriumuk-dgm

A 74-year-old man presents with acute confusion. He was well 24 hours ago. He has a history of benign prostatic hyperplasia, type 2 diabetes, and mild cognitive impairment. He takes Tamsulosin 400 mcg and Metformin 500 mg BD. He is afebrile. His abdomen is distended and tender suprapubically. A bladder scan shows 850 mL residual volume. What is the MOST likely cause of his acute confusion?

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uk-dgm MCQ: Acute Urinary Retention Causing Delirium — Answer & Explan