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相关概念视频

Pulmonary Cycle: Exhalation01:17

Pulmonary Cycle: Exhalation

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In terms of human respiration, the act of expelling air, known as exhalation (or expiration), operates on the principle of pressure gradients. During expiration, the pressure within the lungs exceeds that of the surrounding atmosphere. Under normal conditions, quiet breathing involves passive exhalation and is free of muscular contractions. This is because the exhalation process is driven by the natural elastic recoil of the lungs and chest wall, both of which have an inherent tendency to...
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The Bronchial Tree01:23

The Bronchial Tree

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The human bronchi and bronchial tree play a crucial role in the respiratory system, facilitating the exchange of oxygen and carbon dioxide. Let's delve into the intricate structure and functions of these respiratory components.
The trachea, commonly known as the windpipe, is a tube that connects the larynx (voice box) to the bronchi. At a point called the carina, it bifurcates into two primary bronchi. The right primary bronchus is wider, shorter, and more vertical than the left primary...
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Breathing01:05

Breathing

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The process of breathing, inhaling and exhaling, involves the coordinated movement of the chest wall, the lungs, and the muscles that move them. Two muscle groups with important roles in breathing are the diaphragm, located directly below the lungs, and the intercostal muscles, which lie between the ribs. When the diaphragm contracts, it moves downward, increasing the volume of the thoracic cavity and creating more room for the lungs to expand. When the intercostal muscles contract, the ribs...
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Other Pulmonary Disorders01:17

Other Pulmonary Disorders

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Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
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Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

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IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
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Respiratory System Abnormal Finding I: Inspection and Percussion01:30

Respiratory System Abnormal Finding I: Inspection and Percussion

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Respiratory system abnormalities are a significant concern in healthcare due to their potential to indicate underlying severe conditions like Chronic Obstructive Pulmonary Disease (COPD), asthma, and pneumonia. These abnormalities can often be detected through physical examination methods like inspection and percussion.
Inspection Findings
During an inspection, several findings may suggest the presence of respiratory distress or disease. Pursed-lip breathing, where exhalation is slowed by...
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相关实验视频

Updated: Jan 9, 2026

Protocol and Guidelines for Point-of-Care Lung Ultrasound in Diagnosing Neonatal Pulmonary Diseases Based on International Expert Consensus
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支气管肺部小透的情况

Aprateem Mukherjee1, Damandeep Singh1, Niraj Nirmal Pandey1

  • 1Department of Cardiovascular Radiology & Endovascular Interventions, All India Institute of Medical Sciences, New Delhi-110029, India.

The British journal of radiology
|December 6, 2025
PubMed
概括
此摘要是机器生成的。

先天性支气管肺形包括异常的肺,呼吸道和血管连接. 一个新的分类系统有助于诊断和管理这些罕见的血管异常.

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科学领域:

  • 医疗成像医学成像
  • 胸部外科手术 胸部外科手术
  • 儿科肺病学 儿科肺病学

背景情况:

  • 先天性支气管肺形是一种复杂的疾病,涉及肺气道,肺膜和血管之间的异常连接.
  • 准确的诊断和分类对于有效的管理和改善患者结果至关重要.

研究的目的:

  • 为先天性支气管肺形提出一个简化,系统的分类框架.
  • 突出横截面成像,特别是CT血管造影在诊断这些异常方面的作用.

主要方法:

  • 一个系统的综述先天性支气管肺形.
  • 基于动脉,静脉和支气管异常的分类系统的开发.
  • 强调CT血管学对解剖界线的有用性.

主要成果:

  • 拟议的框架将形分为七个不同的组.
  • 电脑图谱血管学被认为是用于精确识别解剖异常的关键成像方式.
  • 系统方法有助于提高诊断准确度.

结论:

  • 系统的分类和成像方法提高了先天性支气管肺形的理解和诊断.
  • 这一框架有助于精确规划治疗这些复杂的先天性血管异常.