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相关概念视频

Assessment of Respiration01:23

Assessment of Respiration

1.8K
The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like...
1.8K
Physical Assessment of the Respiratory Tract II: Inspection01:27

Physical Assessment of the Respiratory Tract II: Inspection

844
Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
Chest Configuration
The chest configuration...
844
Respiratory Volumes and Capacities I01:26

Respiratory Volumes and Capacities I

1.6K
Assessing the respiratory rate and rhythm for a complete minute is crucial for evaluating the breathing pattern. Even a minor increase in the patient's average respiratory rate, by as little as three to five breaths per minute, is an early and vital indicator of respiratory distress. Patients with a respiratory rate exceeding twenty-four breaths per minute require close monitoring to determine the physiological alterations. This careful observation is essential for prompt recognition and...
1.6K
Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

1.6K
Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
1.6K
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...
779
Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

Assessment of Ventilation II: Respiratory Depth and Rhythm

2.4K
Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
2.4K

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相关实验视频

Updated: Jan 18, 2026

Effects of Surgical Masks on Cardiopulmonary Function in Healthy Subjects
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Effects of Surgical Masks on Cardiopulmonary Function in Healthy Subjects

Published on: February 12, 2021

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喘息异常最好在增量心肺循环运动测试期间在运动高峰时进行评估.

Magnus Ekström1, Pei Zhi Li2, Jean Bourbeau3

  • 1Faculty of Medicine, Department of Clinical Sciences Lund, Respiratory Medicine, Allergology and Palliative Medicine, Lund University, Lund, Sweden.

Chest
|September 12, 2025
PubMed
概括

异常喘息最好在心肺运动测试 (CPET) 期间在运动高峰时被识别出来. 在运动高峰时评估呼吸困难,为这种常见症状提供了最准确的评估.

关键词:
评估评估的评估评估的评估.呼吸障碍 呼吸障碍 呼吸障碍能力行使能力的行使能力.测量过程中的测量.严重程度的严重程度.

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Assessment of Pulmonary Capillary Blood Volume, Membrane Diffusing Capacity, and Intrapulmonary Arteriovenous Anastomoses During Exercise
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Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans
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相关实验视频

Last Updated: Jan 18, 2026

Effects of Surgical Masks on Cardiopulmonary Function in Healthy Subjects
06:57

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Assessment of Pulmonary Capillary Blood Volume, Membrane Diffusing Capacity, and Intrapulmonary Arteriovenous Anastomoses During Exercise
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Assessment of Pulmonary Capillary Blood Volume, Membrane Diffusing Capacity, and Intrapulmonary Arteriovenous Anastomoses During Exercise

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Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans
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科学领域:

  • 肺部医学 肺部医学
  • 运动生理学 运动生理学
  • 临床诊断 临床诊断 临床诊断

背景情况:

  • 炼时的呼吸困难是一种普遍的,令人痛苦的症状,限制了日常活动.
  • 渐进式心肺运动测试 (CPET) 使用规范数据量化呼吸困难.
  • 精确评估呼吸困难对于诊断和管理至关重要.

研究的目的:

  • 为了确定呼吸困难异常是否最好在峰值运动 (症状限制) 和次最大强度时检测到.
  • 在CPET过程中,在不同的运动水平上比较呼吸困难评估的灵敏度.

主要方法:

  • 来自加拿大队列阻塞性肺病 (CanCOLD) 研究的1,161名参与者 (≥40岁) 的分析,接受了症状有限的增量周期CPET.
  • 呼吸困难强度等级 (博格尺度) 被转换为相对于功率输出,氧气吸收和通风的正常概率.
  • 异常呼吸困难定义为正常的概率<0.05.

主要成果:

  • 在运动高峰时,有16-23%的参与者出现异常高的呼吸困难.
  • 在那些有异常峰值运动喘息的人中,55%-60%的人在亚最大水平上有正常的喘息.
  • 在那些没有异常的峰值运动喘息的患者中,在峰值运动和连续亚最大气喘评级之间观察到很高的一致性 (93-97%).

结论:

  • 异常喘息最有效地被发现,应在症状有限的增量CPET期间在峰值运动时进行评估.
  • 这些发现支持在研究和临床环境中对呼吸困难的峰值运动评估.
  • 在运动高峰时进行评估,提高了CPET对喘息的诊断效用.