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相关概念视频

Assessment of the Mouth01:26

Assessment of the Mouth

A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
Toxicity Testing in Animals01:23

Toxicity Testing in Animals

Toxicity tests in animals are grounded on two main assumptions: first, the effects observed in laboratory animals can be extrapolated to humans, especially when adjusted for body surface area; second, high-dose exposure in animals is essential to identify potential human hazards from lower doses. This is based on the quantal dose-response concept, which faces the challenge of extrapolating results from relatively few test animals to much larger human populations. For example, a 0.01% incidence...

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相关实验视频

Updated: Jun 22, 2026

Determining Soil-transmitted Helminth Infection Status and Physical Fitness of School-aged Children
10:57

Determining Soil-transmitted Helminth Infection Status and Physical Fitness of School-aged Children

Published on: August 22, 2012

非洲儿童死亡:口头尸检的用途和局限性

R W Snow1, J R Armstrong, D Forster

  • 1Kenyan Medical Research Institute, Coastal Unit, Kilifi.

Lancet (London, England)
|August 8, 1992
PubMed
概括

口头尸检 (VA) 能够有效地识别肯尼亚的一些儿童死亡,但对疟疾等常见病因的敏感性较低. 在用于疟疾干预试验的VA时建议谨慎使用.

科学领域:

  • 流行病学 流行病学
  • 公共卫生 公共卫生
  • 儿童健康 儿童健康

背景情况:

  • 口头尸检 (VA) 是确定儿童死亡原因的关键流行病学工具,没有医疗监督.
  • 准确的死亡原因分配对于有效的公共卫生干预和资源分配至关重要.

研究的目的:

  • 评估口头尸检 (VA) 技术在确定肯尼亚儿童死亡原因方面的准确性.
  • 将VA发现与医学确认的诊断进行比较,以评估灵敏度和特异性.

主要方法:

  • 肯尼亚一家地区医院对303名儿童死亡的前性调查.
  • 将口头尸检数据与现有的医疗证实诊断进行比较.
  • 对各种死亡原因的敏感度和特异性的计算.

主要成果:

  • 对于常见的死亡原因,VA表现出高特异性 (>80%).
  • 对于麻疹,新生儿破伤风,营养不良和创伤,观察到高敏感性 (>75%).
  • 发现疟疾,贫血,呼吸道感染,胃肠炎和脑膜炎的敏感性低 (<50%).

结论:

  • 虽然VA对某些原因有用,但对非洲儿童疟疾等主要儿童杀手的准确性可能被高估.

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Handheld Metal Detector Screening for Metallic Foreign Body Ingestion in Children
04:55

Handheld Metal Detector Screening for Metallic Foreign Body Ingestion in Children

Published on: September 11, 2018

Breath Collection from Children for Disease Biomarker Discovery
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Breath Collection from Children for Disease Biomarker Discovery

Published on: February 14, 2019

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Last Updated: Jun 22, 2026

Determining Soil-transmitted Helminth Infection Status and Physical Fitness of School-aged Children
10:57

Determining Soil-transmitted Helminth Infection Status and Physical Fitness of School-aged Children

Published on: August 22, 2012

Handheld Metal Detector Screening for Metallic Foreign Body Ingestion in Children
04:55

Handheld Metal Detector Screening for Metallic Foreign Body Ingestion in Children

Published on: September 11, 2018

Breath Collection from Children for Disease Biomarker Discovery
06:09

Breath Collection from Children for Disease Biomarker Discovery

Published on: February 14, 2019

  • 结果表明,在解释VA数据时,特别是在疟疾特异性干预试验中,由于敏感度可变,需要谨慎.
  • 为了在不同环境中进行准确的流行病学监测,需要进一步验证和完善VA方法.