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Related Concept Videos

Coronary Artery Disease III: Clinical Manifestations01:30

Coronary Artery Disease III: Clinical Manifestations

Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...
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Alterations in Blood Pressure01:30

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Alterations in blood pressure, such as hypertension (high blood pressure) and hypotension (low blood pressure), significantly affect human health. Understanding these conditions' classifications, causes, and symptoms is essential for effective management and treatment.
Hypertension (High blood pressure)
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Related Experiment Video

Updated: May 17, 2026

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
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[Causes of unexplained syncope in children].

Mei-Hua Kang1, Yi Xu, Cheng Wang

  • 1Department of Cardiovascular Pediatrics, Children's Medical Center, Second Xiangya Hospital of Central South University, Changsha 410011, China.

Zhongguo Dang Dai Er Ke Za Zhi = Chinese Journal of Contemporary Pediatrics
|October 25, 2012
PubMed
Summary

Common causes of unexplained syncope in children are persistent standing, movement, and changes in body position. Avoiding these triggers can help prevent fainting episodes in pediatric patients.

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Area of Science:

  • Pediatric Cardiology
  • Neurology
  • Clinical Medicine

Context:

  • Syncope, or fainting, is a common concern in pediatric populations.
  • Understanding triggers is crucial for diagnosis and management of unexplained syncope.
  • Previous research has explored various causes, but specific triggers in children require further investigation.

Purpose:

  • To identify and analyze the common causes of unexplained syncope in children.
  • To examine variations in syncope causes based on age, gender, frequency, and head-up tilt test (HUTT) results.
  • To provide insights for preventing recurrent syncope episodes.

Summary:

  • This study analyzed 434 children (3-17.9 years) with unexplained syncope.
  • Key triggers identified include persistent standing (30%), movement (13%), and positional changes (9%).
  • Gender and age influenced trigger prevalence, with persistent standing more common in females and positional changes in older children.

Impact:

  • Findings highlight specific, avoidable triggers for childhood syncope.
  • This information can guide clinical recommendations for prevention and management strategies.
  • Improved understanding aids in reducing the incidence and impact of syncope in pediatric patients.