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相关概念视频

Epistaxis01:30

Epistaxis

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Epistaxis, or nosebleeds, occurs when small, swollen blood vessels in the nasal mucous membrane rupture. Typically, the anterior septum is the primary site of occurrence.
Etiology
Possible causes of this condition include high blood pressure, trauma, low humidity, upper respiratory tract infections, allergies, foreign bodies, nasal inhalation of corticosteroids or illicit drugs, excessive use of decongestant nasal sprays, facial or nasal surgery, anatomic malformation, tumors, or systemic...
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Suctioning the Nasopharyngeal Airway01:29

Suctioning the Nasopharyngeal Airway

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Nasopharyngeal suctioning is a procedure to remove secretions from the upper part of the respiratory tract that the patient cannot clear independently. It helps maintain airway patency and prevents complications such as aspiration pneumonia.
Equipment Required
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Chronic Pharyngitis01:23

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Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
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Upper respiratory tract disorders, including viral infections and allergic rhinitis, cause significant discomfort and disrupt daily life. Managing these conditions involves a variety of drugs, such as antihistamines, intranasal steroids, decongestants, antitussives, expectorants, and mucolytics. Specific examples of drugs in each category are provided.
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The upper respiratory tract plays a vital role in the respiratory system, comprising several structures that facilitate air intake and prepare air for the lungs. It also serves as the first line of defense against pathogens and particles. This tract includes the nose and nasal cavity, the oral cavity, the paranasal sinuses, and the pharynx, each with specific functions and features.
Nose and nasal cavity
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Decongestants are a class of medications used primarily to alleviate nasal congestion, a common symptom resulting from allergies, colds, sinusitis, and other upper respiratory tract infections. These drugs work by activating α-adrenergic receptors, constricting small blood vessels in the nasal membranes. This action results in the opening of clogged nasal passages, thereby facilitating sinus drainage and relieving congestion.
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相关实验视频

Updated: Jun 27, 2025

Nasal Brushing Sampling and Processing Using Digital High Speed Ciliary Videomicroscopy – Adaptation for the COVID-19 Pandemic
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鼻后滴水是如何使用的

Dalan Smallwood1, Dennis Ledford1, David Kennedy2

  • 1Division of Allergy and Immunology, Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, Fla.

The journal of allergy and clinical immunology. In practice
|April 27, 2024
PubMed
概括
此摘要是机器生成的。

鼻后滴水 (PND) 是一种常见的症状,通常与鼻问题或反流有关. 目前对其确切原因和客观评估的理解仍然有限,需要依赖患者报告的结果.

关键词:
过敏性鼻炎是一种过敏性鼻炎.慢性鼻炎是什么意思 慢性鼻炎喉喉逆流是什么情况粘膜细胞的清除.粘土的交通工具运输.粘液 粘液是一种粘液.鼻后滴水是指鼻后滴水.斯诺特 (SNOT) 是一个词.中鼻结局测试结果测试视觉模拟尺度是一个视觉模拟尺度.

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科学领域:

  • 耳鼻喉科 耳鼻喉科 耳鼻喉科
  • 鼻科 鼻科是指鼻科的专家.
  • 胃肠病学 胃肠病学

背景情况:

  • 鼻后滴水 (PND) 是患有鼻腔疾病的患者经常抱怨的一种情况.
  • PND可以独立发生或作为喉回流 (LPR) 的表现.
  • 准确的PND病理生理学,可能涉及粘液清除功能障碍,尚未确定.

研究的目的:

  • 审查当前对鼻后滴水的理解.
  • 讨论基于证据的PND治疗策略.
  • 突出诊断的挑战和依赖主观措施.

主要方法:

  • 对PND现有研究的文献综述.
  • 分析当前的诊断方法及其局限性.
  • 基于现有证据对治疗疗效的评估.

主要成果:

  • PND是一种常见的症状,其病理生理学不清楚.
  • 缺少PND的客观诊断工具.
  • 患者报告的结果仪器,如中鼻结果测试,对于评估至关重要.

结论:

  • 需要进一步的研究来阐明PND的确切病理生理学.
  • 有效的管理依赖于解决潜在原因和缓解症状.
  • 标准化的客观评估工具将改善PND的诊断和管理.