Question

What is the MOST common finding in cauda equina syndrome? (A) Urinary retention. (B) Decreased anal sphincter tone. (C) Weakness or numbness in the lower extremities. (D) Saddle anesthesia.

   What is the MOST common finding in cauda equina syndrome?
(A) Urinary retention.
(B) Decreased anal sphincter tone.
(C) Weakness or numbness in the lower extremities.
(D) Saddle anesthesia.

Emergency Medicine Examination & Board Review

Susan Promes 3rd Edition

Chapter 14, Problem 35

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Step 1

This condition is characterized by compression of the nerves at the end of the spinal cord, leading to a variety of symptoms including urinary retention, decreased anal sphincter tone, weakness or numbness in the lower extremities, and saddle anesthesia. Show more…

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What is the MOST common finding in cauda equina syndrome? (A) Urinary retention. (B) Decreased anal sphincter tone. (C) Weakness or numbness in the lower extremities. (D) Saddle anesthesia.

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Key Concepts

Cauda Equina Syndrome

Cauda equina syndrome is a neurologic emergency characterized by compression of the nerve roots at the lower end of the spinal cord. This condition can lead to a spectrum of deficits including motor weakness, sensory loss, and autonomic dysfunction affecting bladder and bowel control. Early recognition and treatment are crucial to avoid permanent neurological damage.

Neurogenic Bladder Dysfunction

Neurogenic bladder dysfunction, such as urinary retention, is a common manifestation of cauda equina syndrome. It occurs due to the impaired neural control of the bladder resulting from compression of the sacral nerve roots. This dysfunction often serves as a critical indicator in diagnosing cauda equina syndrome because it reflects the involvement of autonomic fibers that regulate urinary function.

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