Many disease processes, trauma, and medications can result in acute urinary retention In elderly men, the most common cause is prostatic hypertrophy.
As with this patient, a thorough history and physical examination can help elucidate the etiology of the urinary retention.
Passage of a urethral catheter to alleviate
the obstruction will bring about significant pain relief.
Assessment of renal function is important, as is obtaining a urinalysis to rule out concomitant urinary tract infection. Imaging studies in the ED are rarely necessary for these patients, although
bedside ultrasound may help identify bladder distention or a clot in the bladder.
Depending on this patient’s renal function and physical status after drainage of his
bladder, he may require admission
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