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相关概念视频

Equilibrium and Balance01:15

Equilibrium and Balance

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The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...
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Veins of Head and Neck01:19

Veins of Head and Neck

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The blood drainage from the head and neck is primarily managed by three pairs of veins: the external jugular, internal jugular, and vertebral veins. The external jugular veins drain superficial scalp and face structures, passing over the sternocleidomastoid muscles to empty into the subclavian veins.
On the other hand, the vertebral veins, unlike their arterial counterparts, are not primarily responsible for brain drainage. Instead, they drain the cervical vertebrae, spinal cord, and some small...
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The Vestibular System01:29

The Vestibular System

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The vestibular system is a set of inner ear structures that provide a sense of balance and spatial orientation. This system is comprised of structures within the labyrinth of the inner ear, including the cochlea and two otolith organs—the utricle and saccule. The labyrinth also contains three semicircular canals—superior, posterior, and horizontal—that are oriented on different planes.
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Venous Return01:04

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The circulatory system plays a crucial role in ensuring the optimal functioning of the human body. One of its critical components is venous return - the process that completes the blood circulation cycle. This article will delve into the concept of venous return, how it works, and its significance to our health.
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Venous return refers to the rate at which blood flows back to the heart from the body's peripheral veins. It's an integral part of the circulatory system...
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Forced Oscillations01:06

Forced Oscillations

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When an oscillator is forced with a periodic driving force, the motion may seem chaotic. The motions of such oscillators are known as transients. After the transients die out, the oscillator reaches a steady state, where the motion is periodic, and the displacement is determined.
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Vascular Spasm01:16

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The vascular phase, also known as vasospasm, is the initial stage of hemostasis, crucial for preventing excessive bleeding when a blood vessel is injured. After a vessel is cut, nerves in the damaged area trigger pain and other sensory impulses. Simultaneously, the smooth muscles in the vessel wall contract, resulting in a vascular spasm. This contraction reduces the vessel's diameter at the injury site, slowing or stopping blood loss through the vessel wall. Vascular spasms typically last...
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相关实验视频

Updated: May 17, 2025

Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform
10:12

Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform

Published on: May 23, 2013

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由于额外头骨静脉压缩而引起的持续振荡.

Yoon-Hee Cha1, Mahmood Gharib2, Kayla Chan1

  • 1Department of Neurology, University of Minnesota, Minneapolis, Minnesota.

Otology & neurotology open
|March 31, 2025
PubMed
概括
此摘要是机器生成的。

持续的振荡性 (POV),包括mal de débarquement综合征 (MdDS) 和非运动性POV (nmPOV),可能源于部和胸部出口静脉压缩. 缓解这种压缩的治疗显著改善了症状.

关键词:
这种情况被称为Mal de Debarquement综合征.在 MdDS 中使用.胸部出口综合征是什么意思静脉堵塞是因为静脉堵塞.

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Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction
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Testing of all Six Semicircular Canals with Video Head Impulse Test Systems
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相关实验视频

Last Updated: May 17, 2025

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10:12

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Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction
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Testing of all Six Semicircular Canals with Video Head Impulse Test Systems
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科学领域:

  • 神经学 神经学
  • 血管医学 血管医学
  • 静脉管疾病 静脉管疾病

背景情况:

  • 持续的振荡性 (POV) 包含了由运动和非运动POV (nmPOV) 引发的mal de débarquement综合征 (MdDS),这些原因包括部损伤等因素.
  • 共同的症状包括摇/摇摆,头痛,认知减慢和疲劳,未知潜在病理.
  • 这项研究调查了POV和脑外静脉压缩之间的潜在联系.

研究的目的:

  • 调查持续振荡 (POV) 和额外静脉压缩之间的关联.
  • 提出一个案例系列,证明在部和胸部出口的静脉压缩治疗后,症状得到缓解.

主要方法:

  • 一个被诊断为MdDS和nmPOV的病例系列接受了额外头骨静脉压缩治疗.
  • 干预措施包括整形切除术,支架,神经毒素注射,肌肉切除术和胸腔出口减压.
  • 用导管静脉扫描来评估动态阻塞和静脉血液分流.

主要成果:

  • POV始终与特定解剖部位的内静脉 (IJV) 或下静脉的压缩有关.
  • 压缩通常是双边的,并同时发生.
  • 单边解压程序显著缓解了POV症状.

结论:

  • 在MdDS和nmPOV中,振荡性的感知可能是由静脉外流阻塞引起的脉冲引起的.
  • 静脉外流障碍和内耳附近静脉压力升高可能会持续刺激前庭系统.
  • 治疗静脉压缩是一种潜在的治疗策略,用于持续的振荡.