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相关概念视频

Special considerations while measuring blood pressure01:28

Special considerations while measuring blood pressure

710
When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
710
Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

746
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
746
Measurement of Blood Pressure01:17

Measurement of Blood Pressure

896
Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
896
Regulation of Stroke Volume01:27

Regulation of Stroke Volume

3.2K
The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
3.2K
Sites for measruring blood pressure01:21

Sites for measruring blood pressure

1.5K
Blood pressure measurement is a fundamental clinical procedure, providing crucial data for assessing cardiovascular health. Among the various sites for this measurement, the brachial and popliteal arteries are predominantly utilized due to their accessibility and the reliability of their readings. This lesson delves into the anatomical significance, methodology, and considerations of measuring blood pressure at these locations.
The Brachial Artery: Primary Site for Blood Pressure Measurement
1.5K
Alterations in Blood Pressure01:30

Alterations in Blood Pressure

1.2K
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)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart...
1.2K

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A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
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在高海拔地区发生中风

Chuanxi Duan1,2,3, Lijun Wu4, Yuding Luo2,3

  • 1North Sichuan Medical College, Nanchong, China.

Brain and behavior
|June 11, 2025
PubMed
概括

在高海拔地区对中风的研究有限. 本综述探讨了在这些独特环境中导致中风发生和进展的环境和个人因素.

关键词:
与飞行相关的中风.高海拔的高海拔地区.在中风后的认知障碍.一次性中风中风中风中风中风

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Real-Time Monitoring and Modulation of Blood Pressure in a Rabbit Model of Ischemic Stroke
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Performing Permanent Distal Middle Cerebral with Common Carotid Artery Occlusion in Aged Rats to Study Cortical Ischemia with Sustained Disability
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Real-Time Monitoring and Modulation of Blood Pressure in a Rabbit Model of Ischemic Stroke
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Performing Permanent Distal Middle Cerebral with Common Carotid Artery Occlusion in Aged Rats to Study Cortical Ischemia with Sustained Disability
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科学领域:

  • 神经学 神经学
  • 环境健康 环境健康
  • 公共卫生 公共卫生

背景情况:

  • 脑卒中是一个重大的全球健康挑战.
  • 在低海拔地区对中风进行了广泛的研究.
  • 在高海拔环境中理解中风存在一个显著的差距.

研究的目的:

  • 审查高海拔地区关于中风的现有文献.
  • 探索影响这些地区中风的环境和个人因素.
  • 确定研究进展和未来方向.

主要方法:

  • 使用PubMed和谷歌学者进行了全面的文献搜索.
  • 使用交叉引用和额外的科学搜索引擎.
  • 包括重点关注高海拔地区的相关研究.

主要成果:

  • 综述包括各种研究类型:5篇综述文章,2篇系统综述/元分析,3篇横截面研究,9篇回顾性临床研究,1篇评论,1篇信函,3篇动物研究.
  • 所有包含的数据均来自高海拔地区.
  • 关注的重点领域包括缺血性中风,出血性中风和中风后认知障碍.

结论:

  • 环境和个人因素在高海拔中风中起作用.
  • 强调了缺血性和出血性中风,认知障碍和与飞行相关的中风方面的研究进展.
  • 建议未来的研究方向是为了解决高海拔中风研究当前的局限性.