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Related Experiment Video

Updated: May 20, 2026

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Published on: June 21, 2024

Syncope in a patient with giant bladder diverticulum.

Nozomu Kaneko¹, Tatsuya Kawasaki, Hidehisa Boku

¹Department of Cardiology, Matsushita Memorial Hospital, Japan. kaneko.nozomu@jp.panasonic.com

Internal Medicine (Tokyo, Japan)

|July 24, 2012

Summary

Syncope, or fainting, can be hard to diagnose. A case study shows excessive urinary retention from an enlarged prostate can cause bladder issues and fainting due to vagal nerve stimulation.

Related Experiment Videos

Last Updated: May 20, 2026

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Published on: June 21, 2024

Area of Science:

Urology
Cardiology
Geriatrics

Background:

Syncope is a common clinical presentation with diverse etiologies.
Diagnosing the cause of syncope can be challenging in emergency settings.
Prostatic hyperplasia is a prevalent condition in aging men.

Observation:

A 75-year-old male presented with syncope after experiencing an urgent need to urinate while jogging.
Physical examination revealed signs suggestive of significant urinary retention.
Diagnostic workup identified a giant bladder diverticulum secondary to benign prostatic hyperplasia.

Findings:

The patient was diagnosed with neurally mediated syncope.
A giant bladder diverticulum, caused by prostatic hyperplasia, was identified as the underlying anatomical issue.
Excessive urinary retention was implicated as the trigger for syncope via vagal nerve enhancement.

Implications:

This case highlights the potential link between lower urinary tract symptoms and cardiovascular events like syncope.
Giant bladder diverticula secondary to prostatic hyperplasia may contribute to neurally mediated syncope.
Clinicians should consider urinary retention as a potential cause of syncope, especially in older men with prostatic issues.